The Calcutta Police on Sunday said it has introduced mobile phone service with WhatsApp facility at every police station for smooth communication with people, amid a surge of COVID-19 cases.

The metropolis had on Saturday recorded 7,337 fresh cases of the infection and seven fatalities. A number of police personnel have also contracted the virus in the last few weeks.

People may contact on these numbers as and when required, the Kolkata Police said in a Facebook post.