A man who handed over a counterfeit million-dollar bill to a cashier at a Pittsburgh supermarket and asked for change has been arrested.
The $100 bill is the biggest denomination note in circulation
Police told the BBC the man became abusive when a manager at the Giant Eagle store confiscated the fake note.
He broke an electronic funds-transfer machine at the counter and reached for a scanner gun, said police.
There is no real US bill worth $1m (£490,000). Since 1969, the $100 note has been the highest in circulation.
The man walked into the store on the north side of Pittsburgh on Saturday evening.
After refusing to give his name to police, the suspect, who was not carrying identification, was charged with forgery and criminal mischief.
Pittsburgh police spokeswoman Diane Richard told the BBC News website: "The John Doe [unidentified male] became irate when staff refused to change his $1m bill and damaged a piece of equipment. Officers arrested him."
He was detained at Allegheny County Jail.
Police are investigating whether the bogus note was among a batch distributed last year as a publicity stunt by a Dallas-based religious ministry.