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Warangal, May 26: A 26-year-old man from Bihar was arrested here for murdering nine people by throwing them into a well to cover the murder of a woman, police said on Monday.

Dr Ravinder, Commissioner of Police (CP), Warangal, said that the bodies were recovered on May 21 and May 22 from the well. Investigation has revealed that the accused, Sanjay Kumar Yadav, killed all of them to cover up the murder of Rafiqa, with whom he had a relationship.

He said that Yadav got acquainted with a person named Maqsood and his sister-in-law Rafiqa. "Slowly, he came close to Rafiqa and started living together with her three children. Yadav tried to misbehave with Rafiqa's 15-year-old daughter. Rafiqa did not like this and threatened to lodge a complaint against him," Ravinder said.

"Then, Yadav planned to kill Rafiqa in order to live with her daughter. Yadav promised Rafiqa to marry. They boarded a train to West Bengal from March 7. Yadav mixed sleeping tablets in the food packet and later strangulated her, and threw her body outside the train," he said.

According to police, Yadav later came back to Warangal but Maqsood's wife Nisha started questioning him about the whereabouts of Rafiqa.

"Nisha threatened to lodge a police complaint against him. With a premeditated motive, from May 16 to May 20, he visited Maqsood's family who stayed in a gunny bag factory," he said.

Yadav purchased sleeping pills from Warangal and mixed in the food on the birthday of Maqsood's elder son on May 20, police said.

"Maqsood and his five family members were living there. Yadav mixed sleeping pills in the food and later they consumed it. Maqsood's family friend Shakeel was also there. Then, he went to the first floor of the factory where two labourers were staying. He mixed sleeping pills in their food too. He suspected that they may get up and create a problem. To cover up the murder of Rafiqa, he killed nine people," Ravinder said.

At around 12:30 am, Yadav woke up and saw that everyone is asleep, according to police.

"Then, he used the gunny bags to drag all the nine people into the well. He threw the gunny bag one by one into the well," Ravinder said.

According to the police, six teams were deployed to investigate the case.

"Yadav has been arrested now and will be taken to police custody. We will collect all evidence and ensure that he gets maximum punishment for this offence," Ravinder said.

Kabul, May 11: Four back-to-back roadside bombs exploded in a northern district of Afghanistan's capital Kabul on Monday, wounding four civilians including a child, police said. Kabul police spokesman Ferdaws Faramarz said a clearance team was at the site of the attacks.

Militants have carried out several roadside bombings and rocket attacks in Kabul and other parts of the country in recent weeks, but Monday's four consecutive explosions appeared to be the first coordinated effort for some months.

The Taliban has not carried out any large attacks in the city since they signed a landmark withdrawal deal with the US in February, meant to pave the way for peace in the country. No group has claimed the attacks. The explosions come as authorities are trying to impose a lockdown in the capital to curb the spread of coronavirus in the country.

New Delhi, Jul 6: The Indian Academy of Sciences, a Bengaluru-based body of scientists, has said the Indian Council for Medical Research's (ICMR) target to launch a coronavirus vaccine by August 15 is "unfeasible" and "unrealistic".

The IASc said while there is an unquestioned urgent need, vaccine development for use in humans requires scientifically executed clinical trials in a phased manner.

While administrative approvals can be expedited, the "scientific processes of experimentation and data collection have a natural time span that cannot be hastened without compromising standards of scientific rigour", the IASc said in a statement.

In its statement, the IASc referred to the ICMR's letter which states that "it is envisaged to launch the vaccine for public health use latest by 15th August 2020 after completion of all clinical trials".

The ICMR and Bharat Biotech India Limited, a private pharmaceutical company, are jointly developing the vaccine against the novel coronavirus -- SARS-CoV-2.

The IASc welcomes the exciting development of a candidate vaccine and wishes that the vaccine is quickly made available for public use, the statement said.

"However, as a body of scientists including many who are engaged in vaccine development IASc strongly believes that the announced timeline is unfeasible. This timeline has raised unrealistic hope and expectations in the minds of our citizens," it said.

Aiming to launch an indigenous COVID-19 vaccine by August 15, the ICMR had written to select medical institutions and hospitals to fast-track clinical trial approvals for the vaccine candidate, COVAXIN.

Experts have also cautioned against rushing the process for developing a COVID-19 vaccine and stressed that it is not in accordance with the globally accepted norms to fast-track vaccine development for diseases of pandemic potential.

The IASc said trials for a vaccine involve evaluation of safety (Phase 1 trial), efficacy and side effects at different dose levels (Phase 2 trial), and confirmation of safety and efficacy in thousands of healthy people (Phase 3 trial) before its release for public use.

Clinical trials for a candidate vaccine require participation of healthy human volunteers. Therefore, many ethical and regulatory approvals need to be obtained prior to the initiation of the trials, it added.

The IASc said the immune responses usually take several weeks to develop and relevant data should not be collected earlier.

"Moreover, data collected in one phase must be adequately analysed before the next phase can be initiated. If the data of any phase are unacceptable then the clinical trial is required to be immediately aborted," it said.

For example, if the data collected from Phase 1 of the clinical trial show that the vaccine is not adequately safe, then Phase 2 cannot be initiated and the candidate vaccine must be discarded.

For these reasons, the Indian Academy of Sciences believes that the announced timeline is "unreasonable and without precedent", the statement said.

"The Academy strongly believes that any hasty solution that may compromise rigorous scientific processes and standards will likely have long-term adverse impacts of unforeseen magnitude on citizens of India," it said.