Libyan rebels poured into Tripoli on Sunday after seizing a nearby military base, as fears of a bloody battle largely gave way to scenes of jubilant opposition fighters surging into the city's center and meeting little resistance from Col. Moammar Gadhafi's defenses.
Meanwhile, rebel leaders said Col. Gadhafi's son and onetime heir apparent, Seif al-Islam, has been arrested, according to multiple reports.
Television images showed crowds in Green Square in the heart of the capital exulting the rebels' arrival.
But it was clear that the battle was hardly over and that any victory claims remain premature....