Danish police said they have arrested a man and are investigating after Frederiksen was "hit" in Copenhagen. Frederiksen's office said she was "shocked by the incident".
More than 450 million European citizens are expected to vote from 6 to 9 June to decide the composition of the European Parliament, in what is the largest democratic election in the world after India.
Donald Trump has become the first US president to be convicted of a crime after a New York jury found him guilty of falsifying documents to cover up a payment to silence a porn star ahead of the 2016 election.
What's in Israel's newly proposed ceasefire deal? sbs.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sbs.com.au Daily Mail and Mail on Sunday newspapers.