Israeli troops have been sighted in the city centre of Rafah in southern Gaza, two days after an Israeli airstrike in the area reportedly killed dozens. Eyewitness reports from Rafah on Tuesday suggest the Israeli army has advanced into the city centre. The Israeli news website ynet reported that Israeli tanks were deployed in the Tal al-Sultan neighbourhood, which was hit by the airstrike on Sunday. The Israeli military has not confirmed the reports. According to the Hamas-run health authority in Gaza, at least 45 people were killed and dozens injured in the Israeli strike on a camp for displ…