整理：中东局势跟踪（6月3日）

Group 1: Gaza Conflict - Israeli airstrikes destroyed a mosque in Deir al-Balah, central Gaza [2] - The UN Relief and Works Agency reported that the number of child casualties in Gaza over the past 20 months reached 50,000 [2] - Israeli bombings in northern Gaza resulted in 21 fatalities [2] - Houthi forces claimed to have attacked Israel's Ben Gurion Airport with ballistic missiles [2] - The Israeli Defense Forces reported artillery fire from Yemen, triggering alarms across Israel [2] Group 2: Iran Nuclear Negotiations - The head of Iran's Atomic Energy Organization stated that uranium enrichment is Iran's "red line" [2] - Iran emphasized that any agreement reached with the U.S. must include the lifting of illegal sanctions against Iran [2] - The Iranian Foreign Minister held a phone call with the German Foreign Minister, expressing willingness to continue dialogue to build trust [2] - U.S. media reported a significant shift in the U.S. stance, allowing Iran to conduct low-level uranium enrichment [2] Group 3: U.S.-Iran Negotiations - An Iranian senior official stated that the U.S. nuclear deal proposal is incoherent and disconnected, with the U.S.'s constantly changing position being a major obstacle to successful negotiations [1] - Sources indicated that the next round of U.S.-Iran negotiations is highly uncertain and may not occur at all [1]