At least 26 personnel of a policestation here, including 12 officers, have tested positive for coronavirus, an official said on Wednesday.These police personnel, 12 of them officers, are attached to the J J Marg Police Station in South Mumbai, and currently undergoing treatment, he said.A process is on to quarantine other police personnel who had come in contact with their infected colleagues, the official said.With so many cases, the J J Marg Police Station may be the most coronavirus-affected police station in the metropolis, he said.So far, 233 police personnel, including officers, have tested positive for COVID-19 in Mumbai, the official said.Three police personnel have succumbed to the infection so far, he said.