Poland said on Friday Israel’s ambassador had apologised for an Israeli airstrike that killed a Pole and six other aid workers in Gaza, days after the envoy angered the country by blaming “antisemites” for Polish outrage over the attack. Damian Sobol, a volunteer from south eastern Poland, was among seven people working for celebrity chef Jose Andres’ World Central Kitchen who were killed in the airstrike in central Gaza on Monday, which stirred an international outcry. “I handed over a note of protest to the ambassador. The ambassador apologised for this event, which has no precedent in the h…