Iran’s Bushehr nuclear power plant reportedly hit by a projectile. Here’s what to know

It’s not yet clear what the ‘projectile’ was.

Iran and Russia both allege a projectile struck the grounds of the Bushehr nuclear power plant in the Islamic Republic, raising the specter of a radiological incident as Tehran’s war with Israel and the United States rages.

Neither Iran nor Russia say there was any release of nuclear material in the incident on Tuesday evening, but it again underlines a longtime worry of Iran’s neighbors — that the power plant on the shores of the Persian Gulf could be hit by either an attack or an earthquake.

Here’s what to know about the incident, the plant itself and Iran’s wider nuclear program, which remains a reason U.S. President Donald Trump points to for starting the war alongside Israel against Iran on Feb. 28.