TRIPOLI (Reuters) -Clashes rocked Libya’s capital early on Tuesday as the parliament-appointed prime minister, Fathi Bashagha, tried to take over government there but was forced back out by a rival administration that refuses to cede power. Bashagha entered Tripoli overnight after two months of stalemate between Libya’s rival administrations, but withdrew hours later as fighting broke out, his office said. The crisis risks plunging Libya back into prolonged fighting after two years of comparative peace, or returning it to partition between the eastern-backed government of Bashagha and a Tripol…