Sanaa , Yemen ( CNN ) -- More than 2 million anti-government protesters gathered on Friday in Changes Squares across Yemen calling on revolutionary forces to take decisive action against President Ali Abdullah Saleh 's regime and at any costs . Opposition leaders call for military action against the Saleh government . The United States and Britain have been trying to get a resolution passed that would allow them to take direct control of Yemen if it is taken over by Al Qaeda or other terrorist groups. More than 2,000 pro-government heavily armed tribesmen are stationed in the outskirts of Sanaa .
Opposition leaders call for military action against the Saleh government . The United States and Britain have been trying to get a resolution passed that would allow them to take direct control of Yemen if it is taken over by Al Qaeda or other terrorist groups. More than 2,000 pro-government heavily armed tribesmen are stationed in the outskirts of Sanaa .