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
Addressing an audience in America, the former PM said of Europe's single currency that it was not working "as intended".
The countries lawmakers voted to impeach President Park Geun-hye in the wake of mass protests against her.
The former presidential candidate, who has herself been the target of false news reports, said such stories had 'real-world consequences'.