SUDANESE First Vice President Ali Osmane Mohamed Taha has vowed that government troops would retake all areas held by rebels before June 30, press reports said Thursday.”The armed forces are determined to liberate all positions by next June 30,” Taha was quoted as declaring Wednesday at a rally in Port Sudan on the Red Sea.Taha has called upon “all young men and women” in the Red Sea state in East Sudan to join the Mujahedeen of the recently formed Al Fatih al-Mubin (Manifest Victory) Brigade, which he said would achieve “victory for the Sudanese people on all fronts.”