Complex sentence: The United Nations approved and, in March, the UK joined a coalition of 20 states in a bombing campaign against Libya and UK Prime Minister David Cameron called for Gaddafi, as well as members of his regime, to resign immediately.
Split into simpler sentences: The United Nations approved and, in March, the UK joined a coalition of 20 states in a bombing campaign against Libya. The campaign is currently ongoing and UK Prime Minister David Cameron has called for Gaddafi, as well as members of his regime, to resign immediately.