A special Bangladesh anti-crime unit on Wednesday arrested the owner of a ferry that sank in a river killing about 110 people, the first time authorities took such action in a country where shipping accidents with heavy loss of life are common. The ferry capsized and sank during bad weather on Aug. 4 in a river swelled by monsoon rain about 30 km (18 miles) south of the capital, Dhaka. The vessel had a capacity for 85 passengers but was crammed with about 250 people returning to work in Dhaka after spending the Eid al-Fitr holiday in their villages. Authorities had lodged murder charges against the owner, Abu Bakar Siddique, 60, and five other people including the captain…