Palestinians gather around bodies of Palestinians who were killed during an Israeli airstrike at a hospital morgue in the northern Gaza Strip, on May 10, 2021. Israel carried out airstrikes in the Gaza Strip, killing at least 20 people, as rocket fire from the Palestinian enclave continued through Monday night, according to Israeli and Palestinian sources. (Photo by Rizek Abdeljawad/Xinhua)

A Palestinian man mourns his relatives who were killed in an Israeli airstrike outside a hospital morgue in the northern Gaza Strip, on May 10, 2021. Israel carried out airstrikes in the Gaza Strip, killing at least 20 people, as rocket fire from the Palestinian enclave continued through Monday night, according to Israeli and Palestinian sources. (Photo by Rizek Abdeljawad/Xinhua)

A Palestinian man mourns his relatives who were killed in an Israeli airstrike at a hospital morgue in the northern Gaza Strip, on May 10, 2021. Israel carried out airstrikes in the Gaza Strip, killing at least 20 people, as rocket fire from the Palestinian enclave continued through Monday night, according to Israeli and Palestinian sources. (Photo by Rizek Abdeljawad/Xinhua)