Twenty-two persons were today killed after the boat in which they went on a pleasure trip capsized in Pulicat Lake, about 60 kms from here, police said.
About 25 persons were in the boat, they said, adding some of them had been rescued.
Initial reports said the victims hailed from different places in and around Chennai and the boat was reportedly operated by local fishermen.
Some of the bodies had been recovered by rescue teams, police said.