Israel launched aerial attacks on Rafah in the south of the Gaza Strip on Saturday, with the airstrikes killing more than 20 people in two buildings, medical sources and Rafah Mayor Ahmed al-Sufi said. The strikes came in the face of repeated warnings by the United States and other countries sympathetic to Israel against military operations in the southern border city, where most Palestinians in the enclave have been forced to seek shelter. The Israel Defense Forces (IDF) has yet to comment specifically on the Rafah attacks, saying only that Israel complies with international law in its operat…