“One of the martyrs was decapitated,” said Dr Mujahid Nazzal, a first responder at the scene, describing the aftermath of an Israeli drone strike on Jenin.

“It seemed the missile directly hit him. Others had their limbs severed. A seventh person was seriously injured and taken by the ambulance,” he told Al Jazeera.

Ahmed Suleiman, another witness, added: “The air strike happened at the entrance of Jenin in an area called Martyr’s Triangle. You can see the effects of the missile. Blood and body parts scattered everywhere.”

Four of those killed were brothers, according to family members.

Sources told Al Jazeera the dead weren’t fighters, just civilians warming up by a fire.