WASHINGTON (Reuters), – Friday’s late Friday apology by the Federal Aviation Administration (FAA), was for not providing advance notice to U.S. Capitol Police regarding a small aircraft flight which caused a security complication earlier in the week.

A single-engine aircraft carrying the U.S. Army’s Golden Knights parachuting demonstration team was flying over a game of baseball near the U.S. Capitol Wednesday. It was misinterpreted as a threat.

In releasing its initial review, the FAA revealed that they deeply regret having caused the Capitol building to be evacuated. They also apologized for any inconvenience or fear suffered by their employees.