Western leaders whose compatriots were being held did little to disguise their irritation at being kept in the dark by Algeria before the raid - and over its bloody outcome. French, British and Japanese staff were among the dead, the source said.

An Irish engineer who survived said he saw four jeeps full of hostages blown up by Algerian troops whose commanders said they moved in about 30 hours after the siege began because the gunmen had demanded to be allowed to take their captives abroad.
Algeria ends desert siege, but dozens killed | Reuters

Kill some hostages and some militants in a raid you apparently didn't tell anyone else you were going to do. Oh and did it because you didn't like the absurd demands of the gunmen.