The explosion that caused mass casualties at Gaza’s Ahli Arab Hospital last month was caused by a misfired rocket similar to munitions used by Palestinian groups, Human Rights Watch has found following an investigation, Al Jazeera reports.

The blast was caused by an “apparent rocket-propelled munition, such as those commonly used by Palestinian armed groups”, HRW said in a report released on Sunday, adding that further investigation is needed to determine who launched the apparent rocket.

HRW said its investigation was based on publicly available photos and videos, satellite imagery, interviews with five witnesses, other analyses and expert opinion.

“The victims and families of those killed or injured while seeking safety at the hospital deserve a full investigation to determine what happened and who was responsible.”

Read more here.