Washington, Feb. 10 : President Barack Obama is reported to have bumped his head while boarding the presidential helicopter, Marine One.

A news report said that he apparently "misjudged the doorway and banged his head on the low doorway."

According to CBS, the incident occurred when Obama was getting aboard the helicopter for a trip to Maryland''s Andrews Air Force Base, where he boarded Air Force One en route to a town hall meeting in Indiana.

Monday morning''s trip was the president''s fifth on Marine One. (ANI)