The Libyan military prosecutor confirmed that the military helicopter, that went missing since last week, was shot at while taking off from Sidra airport by the so-called "Attribution security Forces", said the security spokesman Ibrahim Sharaa.The helicopter took off quickly after an armed group entered the airport driving five cars, including three armored vehicles, he added in a statement.Search efforts on land yielded no results and "now we will concentrate on the sea," he said.A Libyan army helicopter with eight people on board has gone missing in the country's east on Wednesday.