Another African Union-led attempt to broker peace between Gadhafi and the rebels fell through in April . NEW : Mali president says civilian lives have been lost in NATO bombings . NEW : AU : `` Only a political solution will make it possible to ... settle the current conflict '' Nkepile Mabuse will not be a part of talks , but it is unclear when they will occur , the Libya says . AU says recent Libya strikes killed civilians , but NATO said there is no indication that it did so .
NEW : Mali president says civilian lives have been lost in NATO bombings . NEW : AU : `` Only a political solution will make it possible to ... settle the current conflict '' Nkepile Mabuse will not be a part of talks , but it is unclear when they will occur , the Libya says . AU says recent Libya strikes killed civilians , but NATO said there is no indication that it did so .