LONDON — Britain is sending anti-drone equipment and personnel to Belgium after a spate of sightings near airports and military bases, the head of the U.K. military said Sunday.

In the past week both Belgium’s main international airport at Brussels and Liege, one of Europe’s biggest cargo airports, were forced to close temporarily because of drone incursions. That came after a series of unidentified drone flights near a military base where U.S. nuclear weapons are stored.

Air Chief Marshal Richard Knighton, the head of Britain’s armed forces, said the U.K. had agreed to “deploy our people, our equipment to Belgium to help them,” after a request from Belgian authorities.

“We don’t know — and the Belgians don’t yet know — the source of those drones, but we will help them by providing our

See Full Page