Hamas 'summer camp' trains young Gazans for war As if from nowhere, a dozen young people surge out of a tunnel, Kalashnikov assault rifles in hand, to launch a surprise assault on a military post. The young people, aged between 15 and 20, are taking part in a summer training camp for the Ezzedine al-Qassam Brigades, the armed wing of Hamas, the Islamist movement which runs Gaza. IMAGES AND SOUNDBITES