BENGHAZI, Libya — Rebel leaders said they had consolidated their control of the western city of Misurata on Sunday, taking over the last two government outposts there even as government forces continued to shell the city from its outskirts.

Government spokesmen asserted that Libyan forces had withdrawn from the city voluntarily on Saturday to allow for a 48-hour cease-fire, during which tribal leaders could negotiate the rebels’ surrender.

There was no sign of a cease-fire, however, or negotiations.

In Tripoli, the capital, two bombs were seen falling in the vicinity of Colonel Qaddafi’s compound shortly after midnight and the blasts were heard a mile away, part of what Libyan officials complain is an intensifying NATO campaign in recent days. Journalists taken to the Qaddafi compound by government officials found a small complex of office buildings and a meeting space destroyed by the bomb blast, with a tangle of wires and antennae protruding from the smoldering wreckage.

A normally stoic Foreign Ministry official watching the coverage of the blasts in the lobby of the Rixos Al Nasr Tripoli Hotel exclaimed that the bombing had gone too far, and in evident exasperation warned that Libya would be justified in launching terrorist attacks against the cities of NATO members.