Israel attacked multiple Iranian nuclear and military sites on Friday as tensions reached new heights over Tehran's rapidly advancing nuclear program.

Israeli Prime Minister Benjamin Netanyahu said the attack was necessary to head off what they claimed was an imminent threat that Iran would build nuclear bombs.

The attack came one day after the International Atomic Energy Agency's Board of Governors censured Iran for the first time in two decades for not working with its inspectors.

So, how close is Iran to developing a atomic weapon? Here, MailOnline takes a look at the country's nuclear program.

Where are Iran's nuclear facilities?