Sources at the border between Egypt and the Gaza Strip have said that two official Palestinian delegations entered Egypt on Thursday through the Rafah border crossing.  A leader of Palestinian resistance movement Hamas, Mahmoud al-Zahar, heads one of the two delegations. Zahar's delegation includes the Minister of Youth and Sports in the Hamas government, Dr Mohamed al-Madhoun, and nine other members from the Gaza-based movement. Sources said that Abdul Salam Haniyeh, who is a member of the Supreme Council for Youth and Sports, heads the other delegation. His delegation includes eight members of the council.