At least 20 people have been killed and some 100 others injured following an Israeli air raid on a residential block in the Jabalia refugee camp in northern Gaza, Al Jazeera reports.

The attack targeted the home of the Shehab family, causing extensive damage to neighbouring houses.

Footage obtained by Al Jazeera shows the arrival of those killed and injured, including children, in the attack at a medical facility in Jabalia.

Many of those wounded are seen lying on the floor waiting to be treated.