Six people are dead, including two children, and several others missing after a passenger ferry on a Bangladeshi river near the capital, Dhaka, was hit by a cargo ship and sank, officials said. Babu Lal Baidya, an official at Bangladesh Inland Water Transport Authority (BIWTA), said the double-decker ferry carrying more than 50 passengers capsized after it was hit by a cargo vessel. Serious accidents involving ferries are quite common in Bangladesh, a country of many rivers. Experts blame poor safety measures and the lax implementation of regulations. The accident took place on the Shitalakshy…