CAIRO/GAZA, Jan 5 (Reuters) – Over the past 24 hours, Israeli airstrikes on the Gaza Strip have claimed the lives of at least 70 individuals, according to Palestinian medical sources on Saturday, as renewed diplomacy aimed at brokering a ceasefire in the 15-month-long conflict gained momentum. Among the casualties, 17 were killed during airstrikes targeting two houses in Gaza City, with a significant hit occurring at the residence of the Al-Ghoula family in the early morning hours, local medics