Israel kills four people in Gaza, including a child, medics say

By Nidal al-Mughrabi and Mahmoud Issa CAIRO/GAZA July 15 (Reuters) - An Israeli airstrike killed a man, his wife and their six-year-old daughter in the Gaza Strip on Wednesday, Palestinian health officials said as talks to advance the U.S.-brokered Gaza ceasefire deal faltered. The strike on an apartment building in Deir Al-Balah in central Gaza killed Omar Abu Qassem, his wife, Asma, and their daughter, Habeeba, medics said. Their three-year-old son, Sami, survived, but was injured, medics…