At least 31 peo­ple were killed and over 150 were wound­ed on Sun­day while on their way to re­ceive food in the Gaza Strip, ac­cord­ing to health of­fi­cials and mul­ti­ple wit­ness­es. The wit­ness­es said Is­raeli forces fired on crowds around a kilo­me­tre (1,000 yards) from an aid site run by an Is­raeli-backed foun­da­tion.

The army in a brief state­ment said it was “cur­rent­ly un­aware of in­juries caused by (Is­raeli mil­i­tary) fire with­in the hu­man­i­tar­i­an aid dis­tri­b­u­tion site. The mat­ter is still un­der re­view.”

The foun­da­tion — pro­mot­ed by Is­rael and the Unit­ed States — said in a state­ment it de­liv­ered aid “with­out in­ci­dent” ear­ly Sun­day. It has de­nied pre­vi­ous ac­counts of chaos and gun­fire around its sites, which are in Is­raeli mil­i­tary zones where in­de­pen­dent ac­cess is lim­it­ed.