India country of Hindus first, others later: Sena

United Nations, Mar 21: The UN has called on all nations to stop the use of capital punishment or put a moratorium on it, a day after four men convicted of gang-raping and murdering a 23-year-old woman were hanged in India.

Seven years after the rape and murder of the young medical student, who came to be known as 'Nirbhaya', sent shock waves across the country, the four convicts - Mukesh Singh (32), Pawan Gupta (25), Vinay Sharma (26) and Akshay Kumar Singh (31) - were hanged to death on Friday at 5.30 am in New Delhi's Tihar Jail.

Responding to the hanging, UN Secretary-General Antonio Guterres' spokesperson Stephane Dujarric said the world organisation calls on all nations to stop the use of capital punishment or put a moratorium on it.

"Our position has been clear, is that we call on all States to halt the use of capital punishment or at least put a moratorium on this," Dujarric said at the daily press briefing on Friday.

The horrific gang-rape and murder of the physiotherapy intern on December 16, 2012, who came to be known as Nirbhaya, the fearless, had seared the nation's soul and triggered countrywide outrage.

This was the first time that four men have been hanged together in Tihar Jail, South Asia's largest prison complex that houses more than 16,000 inmates.

The executions were carried out after the men exhausted every possible legal avenue to escape the gallows. Their desperate attempts only postponed the inevitable by less than two months after the first date of execution was set for January 22.

The execution of the four convicts brings the curtains down on the case that shook not just India but also the world with the details of its brutality The widespread protests subsequently paved the way for a change in India's rape laws.

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.

Jun 19: Ten Indian Army soldiers including four officers were released by the China’s People’s Liberation Army (PLA) on Friday capping three days of hard negotiations that followed the bloody battle at the eastern Ladakh’s Galwan valley on Monday.

The 10 jawans returned around 5.30 PM on Friday to Patrol Point 14 (PP-14) after Indian team leader Major Gen. Abhijit Bapat, the commanding officer of the Third Div made it clear to the Chinese that there couldn’t be any progress in the disengagement talks unless the soldiers were returned safely.

Asked to comment on the release of Indian soldiers, the Indian Army maintained silence. The force released a brief statement on Thursday stating that all its men were accounted for.

However, the extent of the brutal clash can be gauged from the fact that 76 Indian Army soldiers are still in the hospital out of which 58 soldiers have “minor injuries” and “should be back on duty within a week”, according to Army sources.

Return of the Indian soldiers has been the main point of negotiations for the last two days. The situation is now calmer at areas near PP-14 in the Galwan valley after the return of Indian soldiers even though large numbers of troops from both sides are still present in the area.

Meanwhile analysis of satellite images has revealed a large presence of Chinese troops in the northern banks of Pangong Tso, a disputed territory for years.

“In the past month, Chinese forces have become an overwhelming majority in the disputed areas (on the north bank of the 135 km long lake). Significant positions have been constructed between Fingers 4 and 5, including around 500 structures, fortified trenches and a new boat shed over 20 km further forward than previously. More structures appear to be under construction,” says a report published in the Strategist, the journal of the Australian Strategic Policy Institute.

“The scale and provocative nature of these new Chinese outposts is hard to overstate: 53 different forward positions have been built, including 19 that sit exactly on the ridge line separating Indian and Chinese patrols,” says the report, accompanied by satellite images showing overwhelming PLA presence.

The June 6 Corps Commander level meeting between the Indian and PLA armies did not result in a solution to the contentious muscle flexing by the Chinese on the shores of the Pangong lake. The meeting ended with the conclusion that more Lt Gen level talks between the two armies were needed to resolve such issues.