Authorities say at least 18 people are dead in central Mali after a boat overturned on a lake there during heavy winds.

The Malian government announced that at least four others remaining missing following the accident late Wednesday. Others at the scene said at least 20 bodies had been pulled from the waters of Lake Debo.

Boat accidents are common this time of year due to weather conditions, and many vessels are overladen with more passengers and cargo than they should be carrying.

In 2013, at least 75 people died during a boat accident also in the central region of Mopti.