Police in Florida have arrested a man named Michael Hunt who made threats to kidnap the famous American singer Lana Del Ray at her concert on Friday night. The 43-year-old faces charges of aggravated stalking with a credible threat and attempted kidnapping with a weapon. Hunt was in possession of a knife when he was arrested at the Amway center where Lana was due to perform. The man had previously made cryptic and threatening social media posts. Police received a tip-off earlier on Friday morning.