A leisure swim in the sea on Monday in Chennai turned tragic, when two teenagers drowned while one more boy is feared drowned, police said.

However, a 14-year-old boy was rescued, they said.

The four boys -- two aged 17 and two others 14 -- went for a swim in the Tiruvottiyur sea. Soon after, all of them drowned unable to withstand the high tides. However, one boy was rescued by local fishermen.

Police and local fishermen pulled out two other boys in an unconscious condition from the sea. They were rushed to a hospital where they were declared brought dead.

A search is on for the fourth boy who is feared drowned, according to police.