By Katharine JacksonWASHINGTON, June 9 (Reuters) - U.N. Secretary-General Antonio Guterres said on Tuesday he was "deeply alarmed" by a renewed escalation of violence in the Middle East and called on Israel to reopen crossings into Gaza. "All attacks must stop immediately. The ceasefires in Lebanon, Iran & Gaza must be fully respected," he said in a post on X.Israel struck targets in Iran on Monday for the first time since a ceasefire in April, after Iran fired missiles at Israel in what Tehran said was retaliation for Israeli strikes on Lebanon's capital.

UN Secretary-General António Guterres called on Israel to reopen the border crossings into the Gaza Strip and resume humanitarian movements.

UN Secretary-General Antonio Guterres has warned against further escalation in the Middle East, calling on all sides to uphold ceasefires in Lebanon, Iran and Gaza.