Four day labourers went missing as two boat capsized in the Padma River in Sadipur union in Kumarkhali upazila on Tuesday morning.   The missing people are- Jewel, 30, son of Haran Sheikh, Jakir, 25, son of Nozu, Shariful, 31, son of Jalil and Juba, 32, all are residents of Jamalpur village in Bahadurpur union of Bheramara upazila.   Tofazzal Hossain, union parishad chairman of Sadipur union, said the two boats carrying 13 day labourers were going to a char of the Padma river for cutting grass.   I At one stage, the two boats sank in the middle of the river due to strong current around 8:30am.   Though nine labourers managed to swim ashore, four went missing, he said.   Omio Kumar Biswas , duty officer of Kumarkhali fire service, said a  fire service team of Pabna reached the spot and they are conducting rescue drive.