Israel continued its deadly assault on the north of the Gaza Strip on Wednesday, killing 15 people in an airstrike on a building where displaced people were sheltering in the town of Bet Lahia, according to Al-Jazeera Arabic. Earlier, the Palestinian news agency WAFA reported that a mother and her three children were killed in an airstrike on a house in Beit Lahia. She was identified as Shurooq al-Radhi, wife of Naseem al-Radhi, who is currently in Israeli detention. On Tuesday evening, at least five people were killed when Israel bombed the Al-Zarqa area north of Gaza city, according to WAFA….