The leaders of Sudan and Chad gathered in Tripoli on Sunday for talks aimed at calming tensions along their long, porous border and ending the Darfur conflict, according to Reuters. Egyptian President Hosni Mubarak was due to fly to Libya to join the talks involving Chad President Idriss Deby, Sudan's Omar Hassan al-Bashir and Libyan host Muammar Gaddafi, the Egyptian state news agency MENA reported. It said top officials from Eritrea, Senegal, Mauritania and Gabon would attend and that preparations for an African Union summit in Ethiopia this week were also on the agenda.