NEW : Regional leaders call for M23 rebels to halt their campaign . Moore and U.N. spokesman Kieran Dwyer said the M23 fighters held Sake after two days of battling government troops in the town they first entered Wednesday . M23 wants to topple the government , which is supported by the United Nations . Uganda hosts a regional summit Saturday to address the fighting . Comment:
NEW : Regional leaders call for M23 rebels to halt their campaign . M23 wants to topple the government , which is supported by the United Nations . Uganda hosts a regional summit Saturday to address the fighting . Comment: