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Mumbai, Mar 26 : A 28-year-old man was arrested for allegedly killing his younger brother for stepping out of their home during the COVID-19 lockdown in the western suburb of Kandivali, police said on Thursday.Rajesh Laxmi Thakur killed his younger brother Durgesh after the latter stepped out of the house despite repeated warnings about the lockdown on Wednesday night, an official from Samta Nagar police station said.

The deceased, who was working in a private firm in Pune, had returned home following the coronavirus scare, he said.When Durgesh got back home after his outing, the accused and his wife shouted at him and a heated argument ensued, following which the accused attacked him with a sharp object, the official said.The victim was rushed to a nearby hospital where he was declared dead on arrival, he said, adding that a case of murder has been registered against the accused.

The deadly coronavirus that entered India while there was still nip in the air has beaten rising mercury, humid conditions, unique Indian genome and has entered monsoon season with more potency as fresh cases are only breaking all records in the country.

India recorded a single-day spike of record 24,850 new coronavirus cases on Sunday, taking its total tally to 6.73 lakh corona-positive cases.

Top Indian microbiologists were hopeful in March that after the 21-day lockdown, as summer approaches, the rise in temperature would play an important role in preventing the drastic spread of COVID-19 virus in India.

Several virologists hinted that by June this year, the impact of COVID-19 would be less than what it appeared in March-April.

The claims have fallen flat as the virus is mutating fast, becoming more potent than ever.

According to experts, the novel coronavirus is a new virus whose seasonality and response to hot humid weather was never fully understood.

"The theory was based on the fact that high temperatures can kill the virus as in sterilisation techniques used in healthcare. But these are controlled environment conditions. There are many other factors besides temperature, humidity which influence the transmission rate among humans," Dr Anu Gupta, Head, Microbiologist and Infection Control, Fortis Escorts Heart Institute, told IANS.

There is no built-up immunity to COVID-19 in humans.

"Also, asymptomatic people might be passing it to many others unknowingly. New viruses tend not to follow the seasonal trend in their first year," Gupta emphasized.

Globally, as several countries are now experiencing hot weather, the World Health Organization (WHO) reported a record hike in the number of coronavirus cases, with the total rising by 2,12,326 in 24 hours in the highest single-day increase since COVID-19 broke out.

So far over 11 million people worldwide have tested positive for the disease which has led to over 5,25,000 deaths, according to data from Johns Hopkins University. The US remained the worst-hit country with over 28 lakh cases, followed by Brazil with 15.8 lakh.

According to Sandeep Nayar, Senior Consultant and HOD, Respiratory Medicine, Allergy & Sleep Disorders, BLK Super Speciality Hospital in New Delhi, whether temperature plays a role in COVID-19 infection is highly debated.

One school of thought said in the tropical regions of South Asia, the virus might not thrive longer.

"On the other hand, another school of thought has found that novel Coronavirus can survive in a hot and humid environment and tropical climate does not make a difference to the virus. According to them, this is what distinguishes the novel coronavirus from other common viruses, which usually wane in hot weather," stressed Nayar.

Not much has been studied in the past and no definite treatment or vaccine is available to date.

"Every day, new properties and manifestation of the disease come up. As of now, the only way to prevent this monster is by taking appropriate precautions. Hand hygiene, social distancing, cough etiquette and face masks definitely reduce spread of COVID-19 infection," Nayar told IANS.

Not just top Indian health experts, even Indian-American scientists had this theory in mind that sunshine and summer may ebb the spread of the coronavirus.

Ravi Godse, Director of Discharge Planning, UPMC Shadyside Pennsylvania in the US told IANS in April: "In the summer, the humidity can go up as well, meaning more water drops in the air. If the air is saturated with water and somebody sneezes virus droplets into such air, it is likely that the droplets will fall to the ground quicker, making them less infectious. So the short answer is yes, summer/sunshine could be bettera.

According to Dr Puneet Khanna, Head of Respiratory Medicine and Pulmonology, Manipal Hospital, Delhi, COVID-19 death rates are not too different in tropical countries but since the disease affected them late it was yet to show its peak in these areas.

"The virus can survive well in hot and humid countries and this is proven now," he stressed.

Bengaluru, Jan 9: Some BJP workers created a ruckus on Wednesday at a college here while seeking support for the amended Citizenship Act by raising slogans like 'Go back to Pakistan' outside the campus on Wednesday, as girl students opposed a pro-CAA banner on the wall of their institution.

A video of the incident went viral on social media.

A group of BJP workers, supporters of local party leader M M Govindaraj, had put up a poster "India Supports CAA" on the wall of Jyothi Nivas College near Koramangala.

This was opposed by girl students, who said they would not allow any such poster to be put up on the college property.

The BJP workers then tried to shout down the students.

"You are not concerned about citizenship, you are concerned about yourself. You should be concerned about India first. You are not an Indian then," a BJP worker is heard screaming at the girls in the video.

They also questioned the students if they had valid reasons to oppose the Citizenship Amendment Act and sought to know whether they wanted an argument or a debate.

The BJP workers purportedly told the girls that they were only the students of the college and not the owner.

"What's your problem madam with the CAA? Are you the owner of the college?" they asked.

Amid the heated argument, the BJP workers resorted to sloganeering like 'We want CAA' and "Go back to Pakistan', as seen in another video shot by the students.

BTM Layout Congress MLA Ramalinga Reddy visited the college on Thursday after learning about the incident and spoke to its management.

Later, he told reporters that the campus should not be allowed for any political activities.

"Any signature campaign whether in favor or against it (CAA) should be done outside the campus," Reddy said.

He cautioned the pro-CAA protesters he will not let any violent incidents like the one at Jawaharlal Nehru University in New Delhi happen at the city college.

Reddy's daughter Sowmya Reddy, who is the Jayanagar MLA, tweeted, "A few videos & photos of outside #JyotiNivascollege are being circulated on social media."

"MLA Ramalinga Reddy & I have spoken to cops and the Prinicipal about this incident. Spoke to DCP South East Bengaluru and she said that Koramangala cops went there immediately & they are picketing even now," she added.