What happened?

The Sahem unit, an armed unit affiliated with the Interior Ministry, said the clashes started on Saturday when “an outlaw gang killed resistance fighters from the Qassam Brigades”, the armed wing of Hamas, near the Jordan Field Hospital in Gaza City.

Witnesses told the BBC that 300 Hamas fighters stormed a residential block where Doghmush gunmen were holed up, and a Palestinian security source told the Reuters news agency that Hamas launched a campaign in Gaza City that killed 32 members of “a gang”.

According to the Interior Ministry, eight Hamas members and 19 clan members were killed.