Senior Israeli officials are increasingly concerned about deteriorating relations with Egypt over their ground invasion of Rafah, as humanitarian aid into the Gaza Strip remains blocked due to anger at the Israeli seizure of a border crossing there. Senior Israeli officials warned that Egypt might withdraw from the Israel-Hamas mediation talks, aimed at securing a hostage-release agreement, Haaretz reported on Wednesday, after the raising of the Israeli flag by soldiers on the Palestinian side of the Rafah crossing. The growing diplomatic spat between the two countries escalated after Israel p…