 Complete the following phrase:  After popular movements overturned the rulers of Tunisia and Egypt, Libyas immediate neighbours to the west and east, Libya experienced a full-scale uprising beginning in February 2011. By 20 February, the unrest had spread to Tripoli. Much of Libya had slipped out of Gaddafis control, falling to anti-Gaddafi forces. Eastern Libya, centered around the second largest city and vital port of Benghazi, was firmly under the control of the opposition. The opposition began to organise themselves into a functioning government. Anti-Gaddafi forces marched on Sirte Gaddafis hometown on 28 September 2011. Gaddafi loyalists delayed the attack with the use of their snipers. The 