Gold pushed higher in early Asia trading after US President Donald Trump called for the immediate evacuation of Tehran, boosting demand for havens as investors track hostilities between Israel and Iran.

World leaders had gathered Monday in Canada with the specific goal of helping to defuse a series of global pressure points, only to be disrupted by a showdown over Iran’s nuclear program that could escalate in dangerous and uncontrollable ways.

President Donald Trump's ‘evacuate Tehran’ comment on Monday caused chaos as Israel reportedly bombed parts of the Iranian capital late at night

US President Donald Trump is reportedly expected to offer Iran a 'last chance' nuclear offer which may be slightly better than the previous proposal just over a week ago

After canceling negotiations with the U.S. scheduled for Sunday, Tehran has signaled it is willing to talk.

Iranian officials have warned that U.S. participation in an attack on its facilities will imperil any chance of the nuclear disarmament deal the president insists he is still interested in pursuing.

Israeli forces stepped up bombing of Iranian cities, while Iran pierced Israeli air defences with a successful volleys of retaliatory missile strikes.

The strikes came after the Israeli military said it had carried out fresh strikes on Iran nuclear infrastructure sites.