Israel has launched more air strikes against Palestinian targets, using helicopter gunships in a surge of violence that has killed more than 20 people in the past two days.
In the latest assault today, helicopters rocketed the Palestinian Authority headquarters in the north West Bank towns of Jenin and Tulkarm, wounding at least 50 Palestinians, mainly civilians.
Israeli troops also killed a Palestinian policeman during a gunbattle in the West Bank and shot dead another Palestinian in the Gaza Strip. The Israeli army said both victims were armed and posed a threat to its forces.
A 20-year-old Palestinian was killed by Israeli gunfire while throwing stones at troops in the West Bank city of Nablus after a funeral for 11 Palestinian policemen who died on Friday night in an Israeli bombardment, hospital sources said.
"This is war, my friends, this is war," Israeli Minister of Communications Mr Reuven Rivlin told reporters in Jerusalem.
But Palestinian Information Minister Mr Abed Rabbo called for a halt to what he termed "Israel's crimes of terrorisation and wholesale destruction of the Palestinian people".
Today's killings brought the toll to at least 22 in the past 24 hours.
Emotions ran high in the West Bank city of Nablus as some 50,000 Palestinians marched in the funeral procession of the 11 policemen killed in the Israeli raid there. A procession of jeeps decked with Palestinian flags and black mourning banners moved through the city's main street.