“The tragic attack on volunteers and your reaction arouse understandable anger,” Tusk added.
Poland and Israel have been trying in recent years to restore frayed diplomatic relations, which had deteriorated after the previous, nationalist government in Warsaw brought in a law limiting Jews’ ability to recover World War II properties.
World Central Kitchen, a U.S.-based organization that said it had supplied 42 million meals over 175 days in Gaza, suspended its operations in the region following the Israeli strike. The dead aid workers included Australian, Polish and British citizens, according to the nonprofit organization.
On Tuesday, Netanyahu admitted that an “unintentional” Israeli airstrike killed “innocent people” in Gaza.
Israeli forces have been bombarding Hamas in Gaza for months, after Palestinian militants killed 1,200 people and took hundreds of others hostage in a deadly attack on Oct. 7 last year.