A Bulgarian man suspected of kicking a woman down a flight of stairs at a Berlin underground station has been arrested, after a video of the apparently unprovoked attack went viral. The man was originally identified in the media as an asylum seeker, and the incident sparked a flurry of commentary on social media, with many saying it was further proof that Germany has become less safe since allowing around 1 million refugees into the country last year, and thousands more in 2016. Svetos