Tel Aviv/Gaza, Ramadan 15, 1435, Jul 12, 2014, SPA -- Israel stepped up its aerial bombardment of Gaza for a fifth day, striking a mosque and a society for the disabled, and as the death toll in the coastal strip rose to 127 Saturday the UN called for a ceasefire and the resumption of peace talks, dpa reported. Air raid sirens sounded in Tel Aviv, Israel's biggest population centre, as Hamas announced it will launch a barrage of rockets at the seaside metropolis. An Israeli army spokeswoman confirmed that the Iron Dome downed one missile targeting Tel Aviv. The Qassam Brigades, the armed wing of Hamas, announced it will launch a barrage of J-80 missiles at Tel Aviv after 9 pm (1800 GMT), in a statement aired on Hamas' al-Aqsa television and sent to reporters in a text message. It comes after Nidal al-Mallaash, the nephew of Hamas leader Ismail Haniya, was killed in an airstrike on Gaza City. -- SPA 21:51 LOCAL TIME 18:51 GMT www.spa.gov.sa/w