Gaza, April 20 -- At least nine Palestinians were killed in an Israeli airstrike on Friday night on a residential building in the southernmost Gazan city of Rafah, Palestinian medical sources said on Saturday.

The sources told Xinhua that six of the dead were children, and rescue workers were searching for people still buried in rubble.

In addition, the Israeli army has carried out intensive bombardment on many areas in the northern and central Gaza Strip, the sources said, noting that so far there is no immediate report on the casualties.

The largest pharmaceutical factory in the Gaza Strip has been destroyed in one of those airstrikes in the central Deir al-Balah city.

According to a statement by the municipality on Saturday, the ...