Passengers flying to the United States from the Netherlands will have to undergo body scans after a bid to blow up a Detroit-bound airliner from Amsterdam, the interior minister said Wednesday.

Guusje ter Horst told reporters that all available scanning machines at the city's Schiphol Airport would be put into use next month.

"It has been decided to use body scanners at Schiphol for all flights to the United States," she told a press conference.

"All 15 of the scanners currently available at Schiphol will be put into use within the next three weeks," once new software has been installed, the minister said.

This would "significantly improve passenger security as the machines can detect...