RAFAH, Gaza Strip (AP) — Israeli airstrikes killed over a dozen people overnight and into Thursday in Rafah in the Gaza Strip, hours after Prime Minister Benjamin Netanyahu rejected Hamas' cease-fire terms and vowed to expand the offensive into the southern Gaza town.

More than half of strip's population has fled to Rafah, on the mostly sealed border with Egypt, which is also the main entry point for humanitarian aid. Egypt has warned that any ground operation there or mass displacement across the border would undermine its four-decade-old peace treaty with Israel.

The overnight strikes killed...