The US president has signalled he may get involved in Israel's fight against Iran but has not made a final decision.
The State Department is restarting the processing of visa applications from students and visiting scholars, but is screening for “hostility” toward the United States.
Iranian TV has aired footage of what it says is Iran’s air defences shooting down an Israeli Hermes 900 drone.
President Gustavo Petro has sought to call a referendum, in a move opposition say violates the constitution.
The largest perils may lie in the aftermath, many experts say, just as they did in Afghanistan and Iraq.
Israel has said it does not target Iranian civilians, but hundreds have died in the violence, among them a poet and her family, an equestrian and a graphic designer.
Recent evacuation warnings from Israel affect hundreds of thousands of the capital’s residents.
The meeting in Geneva would be the first face-to-face diplomatic communication with Iran since Israel’s attack The foreign ministers of the UK, France and Germany are planning to meet the Iranian foreign minister, Abbas Araghchi, in what could represen…