Israeli army kills 6 Palestinians in West Bank: sources

RAMALLAH, March 21 (Xinhua) -- Six Palestinians were killed Thursday by the Israeli army in several West Bank cities, according to Palestinian sources.

Among the six Palestinians, four were killed in clashes during an Israeli army raid in the Nour Shams Palestinian refugee camp in the city of Tulkarm.

Two of them were killed by live bullets fired by Israeli troops, while the other two were killed in a dro