By Andrew Mills, Jana Choukeir and Ahmed Elimam

DOHA/DUBAI (Reuters) -Israel launched an airstrike against Hamas leaders in Qatar on Tuesday, expanding military actions that have ranged across the Middle East to include the Gulf Arab state where the Palestinian Islamist group has long had its political base.

Qatar, which has acted as a mediator alongside Egypt in talks on a ceasefire in the almost two-year-old war in Gaza, condemned the attack as “cowardly” and called it a flagrant violation of international law.

Two Hamas sources told Reuters that Hamas officials in the ceasefire negotiating team survived the attack, which followed an evacuation order in Gaza City where Israel is waging an offensive to try to destroy the group and its military capabilities in the Gaza Strip.

Israeli o

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