Dhaka, April 1 -- A man was killed and three others were seriously injured in a clash between two groups over a dispute involving a watermelon field in Bauphal upazila of Patuakhali on Tuesday afternoon.

The deceased was identified as Ujjal Karmakar, 40, son of Ajit Karmakar of Kalaiya union.

The injured-Mizan, Shamim and Firoz Gazi-were sent to Sher-e-Bangla Medical College Hospital in Barishal.

Police and locals said Firoz Gazi had cultivated watermelons on the disputed land.

A man named Mizanur from Bara Dalima village under Nazirpur union had been claiming ownership of the same land.

When Firoz began harvesting watermelons from the field Mizanur, along with 8 to 10 associates went to the spot and attacked him.

Hearing his cries,...