Watch: Trump compares attack on Iran to Pearl Harbor in meeting with Japanese PM

In a meeting with Japanese Prime Minister Sanae Takaichi in the Oval Office, US President Donald Trump was asked why he didn't inform allies about his plan to attack Iran. Trump responded by raising Japan's attack on Pearl Harbor during World War II, saying, Who knows better about surprise than Japan? Watch: Sean Penn receives'Oscar' in Ukraine after skipping US ceremony The Academy Award winning US actor won his third Oscar on Sunday, but skipped the ceremony to visit Ukraine. Voiced by Domhnall Gleeson and directed by John Kelly, Retirement Plan is nominated for Best Animated Short Film at the 98th Academy Awards. 'I don't know why we're doing it' - Americans divided on Iran war Ten days since President Trump first announced the attack, people from across the US tell the BBC what they think the best outcome of the conflict could be.