A mishap during President Biden’s visit to Northern Ireland created a security scare. A top secret document detailing the president’s itinerary and security operation was stumbled upon by a man on the streets of Belfast.

The police of Northern Ireland confirmed there was a security breach around the United States president’s visit to their country. The classified document ended up in the hands of a resident who just so happened to come across the document out in the open.

The document contained highly sensitive information, including a detailed schedule of Biden’s trip along with information about officer personnel assisting the president during his travels. The names, phone numbers and addresses of top Northern Ireland police officers were shared in the found material.