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Bengaluru, Mar 13: Senior IPS officer KSR Charan Reddy, who was the Additional Director General of Police in Criminal Investigation Department, Karnataka passed away in Bengaluru on Friday after prolonged illness. 

He was reportedly battling cancer for at least three years now and had suffered multiple recurs after treatment. 

"Shri Charan Reddy, IPS, ADGP, Karnataka State, passed away this morning, after a prolonged illness. He was one of our finest officers. Always stood tall and held his head high!! May his soul rest in peace," Retired IPS officer and former Director General of Police (Fire Services) MN Reddi tweeted. 

IPS officer Charan Reddy was heading the Special Investigation Team of the Lokayukta when he arrested Vijayanagara MLA Anand Singh in 2015 for illegally transporting iron ore out of Ballari. The illegal mining scam had rocked the former BJP government in 2011.

Karnataka Chief Minister BS Yediyurappa condoled his death and said that he was an honest officer in the state. "Charan Reddy was a dedicated and honest officer. I pray that his soul rests in peace. I pray that god gives his family the strength to go through such a turbulent time after his departure," BS Yediyurappa tweeted. 

A 1993-batch IPS officer, Charan Reddy KSR is originally from Chittoor and has served under various departments of the state's police force. He was serving as the Inspector General of Police in Belagavi division in 2013, when he was transferred to Bengaluru as the IGP (Training). In 2014, he was posted as the IGP of the SIT probing the illegal mining scam in which former Tourism Minister Gali Janardhana Reddy is also allegedly involved.

He was transferred out of the SIT in Lokayukta in 2016 and posted as Additional Commissioner of Police (law and order) in Bengaluru. He served as the ADGP of Crime in Mangaluru in 2018 and was later appointed as the Additional Director General of Police (training) the same year. In 2019, he was transferred and appointed as the ADGP of CID.

Bengaluru, Mar 10: Three more positive COVID-19 cases have been confirmed in Karnataka taking the tally to four, state Health Minister B Sriramulu on Tuesday informed.

"Their family members have been isolated and their health is being monitored. I urge citizens to take precautionary measures and co-operate in preventing the spread of this infection," Sriramulu said.

As on Monday, the national tally of persons affected by the coronavirus is 45.

According to the Indian Council of Medical Research (ICMR), in the past 24 hours, one positive case from Kerala, two from Pune, and three from Bengaluru have been confirmed.

Apart from the ICMR; National Institute of Virology in Pune; 51 Virus Research and Diagnostic Laboratories; and National Centre for Disease Control, New Delhi are carrying out tests for COVID-19.

The current physical distancing guidelines provided by the World Health Organisation (WHO) and by the US Centers for Disease Control and Prevention (CDC) may not be adequate to curb the coronavirus spread, according to a research which says the gas cloud from a cough or sneeze may help virus particles travel up to 8 metres. The research, published in the Journal of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.

Study author, MIT associate professor Lydia Bourouiba, warned that droplets of all sizes can travel 23 to 27 feet, or 7-8 metres, carrying the pathogen.

According to Bourouiba, the current guidelines are based on "arbitrary" assumptions of droplet size, "overly simplified", and "may limit the effectiveness of the proposed interventions" against the deadly pandemic.

 She explained that the old guidelines assume droplets to be one of two categories, small or large, taking short-range semi-ballistic trajectories when a person exhales, coughs, or sneezes.

However based on more recent discoveries, the MIT scientist said, sneezes and coughs are made of a puff cloud that carries ambient air, transporting within it clusters of droplets of a wide range of sizes.

Bourouiba warned that this puff cloud, with ambient air entrapped in it, can offer the droplets moisture and warmth that can prevent it from evaporation in the outer environment.

"The locally moist and warm atmosphere within the turbulent gas cloud allows the contained droplets to evade evaporation for much longer than occurs with isolated droplets," she said.

"Under these conditions, the lifetime of a droplet could be considerably extended by a factor of up to 1000, from a fraction of a second to minutes," the researcher explained in the study.

The MIT scientist, who has researched the dynamics of coughs and sneezes for years, added that these droplets settle along the trajectory of a cough or sneeze contaminating surfaces, with their residues staying suspended in the air for hours.

"Even when maximum containment policies were enforced, the rapid international spread of COVID-19 suggests that using arbitrary droplet size cutoffs may not accurately reflect what actually occurs with respiratory emissions, possibly contributing to the ineffectiveness of some procedures used to limit the spread of respiratory disease," Bourouiba wrote in the study