Gaza balloon attacks re-emerge as threat to Israe A group of masked young Palestinian men huddle near the Al-Bureij refugee camp attach explosives to coloured balloons before setting it adrift towards Israel. \\nExplosives tied to balloons and kites first emerged as a weapon in Gaza, ruled by the Islamist group Hamas, during intense protests in 2018, when the devices drifted across the border daily, causing thousands of fires in Israeli farms and communities. IMAGES AND SOUNDBITES