Police arrested the head of the Vietnamese agency responsible for registering cars, trains, ships and other industrial products on charges of taking bribes on Wednesday, the Ministry of Public Security posted on its website. The arrest of Dang Viet Ha came after police said they conducted investigations on 83 suspects in a nationwide crackdown on alleged corruption in offices under the agency, called the Vietnam Register. On the eve of the arrest, Vietnam’s Law Newspaper posted an online story about Ho Chi Minh City police arresting Dang Viet Ha after summoning him from Hanoi.