Police in Ankara, Turkey, said the explosion outside the US embassy in Turkey was a suicide bomb, and two people have been killed, the Associated Press reports.
More top news
Brussels' Zaventem Airport departure hall has reopened to the public, 40 days after twin suicide attacks killed 16 people.
A 21-year-old man accused of planning to travel to Syria and engage in "violent jihad" has appeared in court.
An Australian entrepreneur has publicly identified himself as the inventor of the digital currency Bitcoin.