President Donald Trump directly threatened Iran’s Supreme Leader Ayatollah Ali Khamenei on Tuesday and alluded to the possibility the U.S. could strike Iran, as speculation looms over the president’s next move in the conflict after he abruptly left the G7 summit in Canada to deal with the crisis.

Blasts have been heard in Tehran and sirens have sounded in Israel as US president convenes National Security Council.

A federal judge ordered the government to restore funding to hundreds of grants issued by the National Institutes of Health that had been cut by the Trump administration, ruling that the government had discriminated against minorities and L.