Dozens of Israeli jeeps and armoured vehicles have carried out a raid in the West Bank city of Nablus. Tens of thousands of Palestinians are said to have been placed under a curfew. The Israeli army says the operation is to arrest suspected militants and they uncovered an explosives laboratory in the city. Numerous people have been arrested.
The army says soldiers had been shot at in several areas and had returned fire. Witnesses say about 80 jeeps backing several bulldozers entered the city. Schools, universities and businesses have closed because of the curfew.