Smoke has been seen from southern Israel rising over Gaza’s skyline as heavy fighting continues in the north of the Strip. A senior spokesperson for the Israeli Defense Forces (IDF) said that the air force was carrying out airstrikes in the north of Gaza. But fighting also continues in Gaza’s southernmost city, Rafah, where Israel launched a ‘limited’ operation last week, seizing the border crossing with Egypt in a bid to choke off Hamas supply lines. “Since the start of our precise operation against Hamas in Rafah we have eliminated dozens of terrorists, exposed underground terror tunnels and…