In Libya, the humanitarian crisis is growing as fighting continues to escalate around the capital Tripoli. The U.N. says that more than 18,000 people have been displaced in the past two weeks. The U.N. is attempting to relocate jailed refugees and migrants, but they warn some 3,000 locked-up migrants are now trapped in or around the combat zone. On Tuesday, at least four people were killed during heavy shelling on the southern outskirts of Tripoli, according to local reports. Libya’s deputy prime minister said on Tuesday that renegade General Khalifa Haftar, who is leading the eastern-based Libyan National Army’s offensive on Tripoli, is attempting to stage a military coup.