At least 10 people have been killed in an Israeli attack that sparked a fire at a school sheltering displaced people in Gaza City, including one child who was burned to death in the blaze.

An Israeli airstrike hit a police station in Jabalia in the northern Gaza Strip on Thursday, killing at least 10 people, local health authorities said, and Israel's military said it had struck a command centre of Hamas and the Islamic Jihad groups.

At least 50 Palestinians have been killed in Israeli strikes across the Gaza Strip on Thursday, health officials and first responders say. Nine people died in the morning when a missile hit a police station in the market area of Jabalia town, in northern Gaza, a local hospital said.