Israeli forces launched Saturday an air, sea and land assault on Palestinian positions in the Gaza Strip, in Rafah in the south, the Nusseirat refugee camp in the centre and Gaza City in the north, Palestinian security sources said.
Israeli helicopters launched missiles against Palestinian security targets in Gaza City, they told AFP.
In Rafah, near the Egyptian border, Palestinian positions were struck by anti-tank missiles.
In Nusseirat, Palestinian positions were shelled by Israeli warships, the sources said.
The Israeli attack came following incursions into the Gaza Strip and Ramallah city in the West Bank, which left two Palestinians killed and scores injured.
Israeli forces backed up by tanks moved early Saturday into the Palestinian autonomous sector of Ramallah in the West Bank, wounding three Palestinians, Palestinian security sources said.
The Palestinians were wounded in fierce exchanges of fire between the Israelis and security services controlling roads into the town, the sources told the official Palestinian news agency, WAFA.
Two Israeli soldiers were also wounded after moving in on the main Jerusalem-Ramallah road from the south, Palestinian sources said.
At 4:45 am (0145 GMT) the Israeli forces were near the Voice of Palestine radio and television buildings, southwest of Ramallah, the sources said.
But the Israeli army denied it had entered Palestinian controlled territory near the West Bank town of Ramallah, said Haaretz newspaper.
It claimed that Palestinian gunmen opened fire upon Israeli soldiers south of Ramallah and near the settlement of Psagot, also located in the West Bank.
It also said that there were no injuries were reported among Israeli troops.
In Gaza, an Israeli force including tanks, APCs and bulldozers thrust into the northern town of Beit Hanoun late Friday night and blew up Palestinian security installations.
Palestinian sources that in the ensuing gunfight, two Palestinians were killed, and 11 were injured.
Earlier, the Palestinians reported that a 17-year-old boy who was throwing stones at IDF troops, was shot dead. The army claimed the teenager had aimed a Kalachnikov assault rifle at the soldiers.
Haaretz said also that two members of the Israeli border police were injured Friday afternoon in an attack at the Erez checkpoint in the northern Gaza Strip. One suffered moderate-to-serious injuries and the second light injuries, after grenades were thrown at the checkpoint.
Israel Radio reported that a bomb exploded alongside IDF troops near Nablus next to the Jewish settlement of Elon Moreh.
There were no injuries, said the report – Albawaba.com