text:  Welcome back to NewsHour. And let's go to the Middle East now, where Palestinian sources in Gaza say a number of people have been killed or wounded in a new round of strikes by Israel. It seems there was a strike on Al-Atta Station in Mawassi in Khan Yunis. A second strike hit a school run by the UN. I've been speaking to the BBC's Barbara Plet-Usher in Jerusalem. So what more do we know?