Heavy fighting in the southern Gaza Strip has resulted in dozens of militant Palestinian fighters being killed, the Israel Defense Forces (IDF) said on Tuesday. “IDF troops are continuing precise, intelligence-based, operational activity in the area of Tel al-Sultan in Rafah,” it said in a statement. “Approximately 40 terrorists were eliminated in close-quarters combat and IAF [Israeli Air Force] strikes.” The military wing of the Palestinian Islamist organization Hamas said that its fighters had attacked an Israeli tank and soldiers in a building with grenades in the area. A military bulldoze…