Trump calls remarks on video by Berlin attacker 'a purely religious threat'

(Reuters) - U.S. President-elect Donald Trump, referring to a video in which a Tunisian man suspected in a Berlin truck attack vowed to "slaughter you pigs," said on Friday it was "a purely religious threat, which turned into reality." "Such hatred! When will the U.S., and all countries, fight back?" Trump tweeted. (Reporting by Eric Beech in Washington; Editing by David Alexander)