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Government soldiers of Task Force Zamboanga (TFZ) fire a 60mm mortar round towards the Muslim rebels of Moro National Liberation Front (MNLF) positions in Zamboanga city

Government soldiers of Task Force Zamboanga (TFZ) fire a 60mm mortar round towards the Muslim rebels of Moro National Liberation Front (MNLF) positions in Zamboanga city in southern Philippines September 16, 2013.REUTERS/Erik De Castro (PHILIPPINES - Tags: CIVIL UNREST CONFLICT POLITICS MILITARY)

Fighting continues in southern Philippines

Philippine forces launched air strikes on Monday, Sept. 16. 2013 to root out rogue Muslim rebels from a southern city, stepping up efforts to end more than a week of clashes that have killed scores of people.

The fighting has been a stark reminder that decades-old grievances fester in the Catholic-majority country despite strong economic growth and an agreement with the biggest Muslim rebel group that was meant to pave the way to peace. (Reuters)