Final arguments begin in two murder cases naming Dera chief

Kashmir, Mar 3: Four days after the National Investigation Agency made a major breakthrough in the Pulwama terror attack case over a year after the bombing, arresting one person who had sheltered the suicide bomber Adil Ahmad Dar, the NIA on Tuesday arrested two more people in the case - a father-daughter duo - who had also provided shelter to the bomber, officials said.

The NIA also claimed that the video of the suicide bomber was also recorded at their residence and released by the Jaish-e-Mohammad (JeM) terror group from Pakistan after the attack. An NIA spokesperson in Delhi said: "Two more persons have been arrested by the agency in the Pulwama terror attack case and they have been identified as Insha Jan, 23, and her father Tariq Ahmed Shah, 50, who works as a tipper driver."

The official said that the father-daughter duo have been arrested from Hakripora area in Pulwama for their involvement in the attack. The two were arrested on early Tuesday morning after senior officials of the NIA raided their house on Monday night.

A senior NIA official related to the probe told IANS: "The video of Dar, who attacked the CRPF convoy, was recorded at the home of the duo. And the same video was released soon after the Pulwama terror attack by the JeM terrorists from a Pakistani IP address."

He said, "The video was shared by them to their handlers in Pakistan."

The spokesperson further claimed that during the probe Tariq Ahmed Shah disclosed that his house in Hakripora area was used by Dar, Mohammad Umar Farooq, a Pakistani terrorist and IED maker, Kamran - another Pakistani terrorist (both were later killed in encounters with security forces), Sameer Ahmed Dar, a Jaish-e-Mohammad terrorist from Pulwama and Mohammad Ismail aka Ibrahim, a Pakistani terrorist.

The spokesperson said that Shah facilitated all the terrorists at his house for sheltering and for planning of the heinous attack on the CRPF convoy. He said Jan, daughter of Shah, facilitated the terrorists at their home and provided food and other logistics during their stay on more than 15 occasions for two to four days each time, in their house during the year 2018-2019.

"Initial interrogation has revealed that Jan was in constant touch with Farooq and was in communication with him over telephone and other social media applications," the spokesperson said. The fresh arrests of the two accused brings the total number of arrests in the case to three.

The arrests were made on the revelations of Shakir Bashir Magrey, who was arrested by the anti-terror probe agency on February 28. According to senior NIA officials, more arrests will be made in the coming days. Magrey, a resident of Hajibal, Kakapora in Pulwama district of Jammu & Kashmir, is an overground worker (OGW) of the Pakistan-based Jaish-e-Mohammad (JeM).

According to agency sources, Magrey allegedly provided shelter and other logistical assistance to the Pulwama suicide bomber. He was sent to 15 days' NIA custody by a special NIA court in Jammu & Kashmir on Friday. During interrogation, Magrey revealed that he had harboured Dar and Pakistan-based terrorist Mohammad Umar Farooq in his house from late 2018 till the attack in February 2019 and assisted them in the preparation of the Improvised Explosive Device (IED). His shop is located near Lethpora bridge, and as advised by Mohammad Umar, he started conducting reconnaissance of the movement of CRPF convoys on Jammu-Srinagar Highway in January 2019, and informed Mohammad Umar and Adil Ahmad Dar about it.

Magrey was also involved in modifying the Maruti Eeco car and fitting the IED into it in early February, 2019 and was introduced to Adil Ahmad Dar in mid-2018 by Mohammad Umar and he became a full-time OGW of JeM.

"During his initial interrogation, he disclosed that on several occasions, he collected and delivered arms, ammunition, cash and explosive material to JeM terrorists, including those involved in the Pulwama attack," the agency had said on February 28.

"During investigation, the make, model and number of the car used in the attack was quickly ascertained by NIA to be a Maruti Eeco through forensic examination of the tiny remnants of the car which were found at the spot during extended searches," the agency stated.

"This has been corroborated by accused Shakir Bashir Magrey. The explosives used in the attack were determined to be ammonium nitrate, nitro-glycerin and RDX, through forensic investigation," it said.

London, May 20: The current physical distancing guidelines of 6 feet may be insufficient to prevent COVID-19 transmission, according to a study which says a mild cough in low wind speeds can propel saliva droplets by as much as 18 feet.

Researchers, including those from the University of Nicosia in Cyprus, said a good baseline for studying the airborne transmission of viruses, like the one behind the COVID-19 pandemic, is a deeper understanding of how particles travel through the air when people cough.

In the study, published in the journal Physics of Fluids, they said even with a slight breeze of about four kilometres per hour (kph), saliva travels 18 feet in 5 seconds.

"The droplet cloud will affect both adults and children of different heights," said study co-author Dimitris Drikakis from the University of Nicosia.

According to the scientists, shorter adults and children could be at higher risk if they are located within the trajectory of the saliva droplets.

They said saliva is a complex fluid, which travels suspended in a bulk of surrounding air released by a cough, adding that many factors affect how saliva droplets travel in the air.

These factors, the study noted, include the size and number of droplets, how they interact with one another and the surrounding air as they disperse and evaporate, how heat and mass are transferred, and the humidity and temperature of the surrounding air.

In the study, the scientists created a computer simulation to examine the state of every saliva droplet moving through the air in front of a coughing person.

The model considered the effects of humidity, dispersion force, interactions of molecules of saliva and air, and how the droplets change from liquid to vapour and evaporate, along with a grid representing the space in front of a coughing person.

Each grid, the scientists said, holds information about variables like pressure, fluid velocity, temperature, droplet mass, and droplet position.

The study analysed the fates of nearly 1,008 simulated saliva droplets, and solved as many as 3.7 million equations.

"The purpose of the mathematical modelling and simulation is to take into account all the real coupling or interaction mechanisms that may take place between the main bulk fluid flow and the saliva droplets, and between the saliva droplets themselves," explained Talib Dbouk, another co-author of the study.

However, the researchers added that further studies are needed to determine the effect of ground surface temperature on the behaviour of saliva in air.

They also believe that indoor environments, especially ones with air conditioning, may significantly affect the particle movement through air.

This work is important since it concerns safety distance guidelines, and advances the understanding of the transmission of airborne diseases, Drikakis said.

New Delhi, Jan 7: The Delhi Police has filed an FIR against JNUSU president Aishe Ghosh and 19 others for allegedly attacking security guards and vandalising the server room of the Jawaharlal Nehru University (JNU) on January 4.

The police registered the FIR on January 5.

In the complaint filed by the JNU administration, the University alleged that the accused were involved in physical violence and pushed the women guards, verbally abused them and threatened them of dire consequences if they opened the lock of university's communication and information (CIS) office.

"They illegally trespassed the University property with the criminal intention to damage the public property. They damaged servers and made it dysfunctional. They also damaged fiber optic power supplies and broke the biometric systems inside the room," the University officials alleged.

This incident allegedly occurred a day before Aishe Ghosh, other JNU students and teachers were attacked by a masked mob inside the campus.