NEW : Surrender means all attack suspects are in custody . Men are charged with 8 counts of war crimes . Charges stem from fatal September 2007 attack on Bahar Idriss Abu Garda peacekeepers . 8 peacekeepers died , three others were severely wounded .
NEW : Surrender means all attack suspects are in custody . Men are charged with three counts of war crimes . Charges stem from fatal 2007 attack on African Union peacekeepers . 12 peacekeepers died , 8 others were severely wounded .