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Mangaluru, Mar 19: The officers of Directorate of Revenue Intelligence, on March 11 intercepted 2 persons - Syed Mohammed and Shri Ashoka K S - Mangalore Central Railway Station and recovered 5.6 Kgs of gold bars in crude form.

The operation was conducted based on specific information about a network of operators who were bringing smuggled gold in the form of crude bars from Calicut to Mangaluru. The gold was then re-melted and cast into 100 gms bars with foreign markings, using foreign marking moulds, and was then getting distributed to various locations in Karnataka.

Further, one Mr. Manjunath Shet alias Rupesh who was supposed to receive the said gold from the passengers was also apprehended at the parking lot of the railway station.

Simultaneous searches were conducted in three different premises in car street Mangaluru, Udupi, and Shivamogga.

Further, the source of the gold was traced to melters/jewellers in Calicut and swift follow up action was conducted leading to seizures of gold and Rs 82 lakh Cash. Two cars of Toyota Etios model belonging to the syndicate having specially designed cavities for concealment which were used for transporting cash and gold between Calicut and Mangaluru were also seized.

Naveen Chandra Kamath of Udupi, who is the master mind involved in the case was also apprehended. Overall 7 persons were arrested during the entire operation. Further investigation is ongoing in the said case to uncover the other persons involved in the racket. The total seizure was 9.3Kgs of gold, valued at approximately 4 crores, 5.2 kgs of silver along with Rs 84 lakh in cash.

The team constituted of 40 officers from Bengaluru, Mangaluru and Shivamogga took part in the co-ordinated effort.

Bengaluru, May 11: Ten new positive cases of COVID-19 have been confirmed in Karnataka, taking the total number of infections in the state to 858, the Health department said on Monday.

"Ten new positive cases have been reported from last evening to this noon... Till date 858 COVID-19 positive cases have been confirmed. This includes 31 deaths and 422 discharges," the department said in its mid-day situation update. 

The ten new cases include- three from Davangere, two each from Bidar and Bagalkote, one each from Kalaburagi, Shiggavi in Haveri and Vijayapura. Seven cases are men, three are women.

While most cases are contacts of patients already tested positive, one each are with travel history to Mumbai and Ahmedabad.

One person's contact tracing is underway. 

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