About 20 Palestinians were killed on Friday during ongoing Israeli army operations against Hamas militants in the Gaza Strip, according to unconfirmed reports from Palestinian medical sources. The information could not be independently verified. The Israeli military said that its operations would continue in the centre and south of the sealed-off coastal area. Overnight, a Palestinian Islamic Jihad (PIJ) rocket launch site was hit in an area in the city of Khan Younis, which is designated as a humanitarian zone. The launch site was located in a place where many civilians had sought shelter fro…