Sri Lanka, June 22 -- UN Secretary-General Antonio Guterres on Wednesday called for the immediate de-escalation of the Israeli-Iranian conflict and for an ensuing ceasefire.

"I am gravely alarmed by the use of force by the United States against Iran today," said the UN chief, reiterating that there is no military solution.

"This is a dangerous escalation in a region already on the edge - and a direct threat to international peace and security."

US President Donald Trump delivered a televised address to the nation from the White House at 10pm local time and said that Iran's nuclear facilities at Fordo, Natanz and Isfahan had been "totally obliterated" describing the long-range bombing raid as a "spectacular military success."

President...