Fierce fighting across Libya as government sends envoy

TRIPOLI,  (Reuters) – A Libyan insurgent said rebels  had retaken the heart of the closest city to the capital from  forces loyal to Muammar Gaddafi last evening in some of  the fiercest fighting in almost three weeks of clashes.

Zawiya appeared to change hands twice during the day as  Gaddafi tried to crush the uprising against him by bombarding  the western town and the frontlines of the rebel-held east of  the country.

“Thanks to Allah we are sitting in the square now,” the  fighter, who gave his name as Ibrahim, said by telephone after  earlier reporting his forces had