Divine justice: Hamas accidentally kills its own

The Jerusalem Post reports:

Hamas gunmen killed five of their own combatants in an ambush on a Fatah vehicle that had been carrying Hamas detainees, Fatah officials said Wednesday.

Also killed were two members of the Fatah-affiliated Preventive Security force that had been guarding the detained Hamas members, the officials said
Evidently, Palestinians ignore appeals for blood donations. Maybe they are showing disrespect for militancy-at least when it comes to intra-Palestinian violence?