NATO warplanes have launched air strikes on telecommunication and broadcasting infrastructure in several Libyan cities, Libya's official TV said Wednesday.

"Telecommunication infrastructure, and radio and television broadcasting stations in several Libyan cities were subject to bombardment by warplanes of the crusader colonial aggression," it said, without mentioning when the attacks took place.

Western officials, meanwhile, said the NATO-led coalition is enforcing a UN-mandated no-fly zone in Libya to protect civilians from attack by forces Loyal to Libyan leader Muammar Gaddafi.