Vatican Pope Benedict XVI issued a rallying call for Christian unity as he took on the mantle of supreme leader of the Roman Catholic Church in a joyous ceremony of pageantry and prayer. Iraq Two suicide bombers detonated powerful car bombs outside a police academy in northern Iraq, killing at least seven and wounding 37, as two US servicemen were reported dead in separate bombings elsewhere. Mideast A new Palestinian security leadership began a mission to end armed chaos on the streets of the West Bank and Gaza Strip after Mahmud Abbas pushed key allies of the late Yasser Arafat into retirement. Armenia Armenians across Europe - from their capital Yerevan to the Ukrainian city of Lviv to the southern French port of Marseille - commemorated the 90th anniversary of the mass killings of their forebears by Ottoman Turks. WWI Leaders from Turkey, Australia, New Zealand and Britain gathered in northwestern Turkey to commemorate the 90th anniversary of one of World War I's fiercest battles. Ecuador Ousted Ecuadorian president Lucio Gutierrez flew into exile in Brazil, four days after being toppled in a popular revolt. Togo Voters in Togo turned out in force to elect a successor to the 38-year ruler Gnassingbe Eyadema, as the opposition claimed the presidential polls had been rigged in favour of the late leader's son. Asia Relations between Japan and China remained tense, a day after talks between the leaders of the two Asian heavyweights, with Beijing demanding Tokyo further address its wartime past. Lebanon Syria was nearing the completion of its troop pullout from Lebanon after three decades of political and military domination, while the Beirut regime's once powerful and highly secretive security apparatus appeared to be crumbling. EU EU trade chief Peter Mandelson stepped up pressure on China to curb a "ruinous" surge in textile exports, urging it to take action or face possible EU steps to protect Europe's clothing industry.