Two Coast Guard vessels have been pressed into service to search for the missing fishermen, who ventured into sea from Thengaaipattinam in the district on Thursday.

Police said J. Arulraj (35) of Iraiyumanthurai, E. Joy (34) of Iravipuththanthurai, A. Varuvel (58) and V. Xavier, both from Poothurai, ventured into sea for fishing on Wednesday last. They were to come back on Thursday morning but did not return till Friday morning.

Following a request from the State Department of Fisheries, two Coast Guard vessels also launched the search operation in the evening.