Washington ( CNN ) -- A man tried to jump the White House fence on Friday , causing a brief lockdown while he was apprehended , law enforcement officials said . Police declared the incident over after checking a briefcase and taking the man into custody . He was not identified . President Barack Obama was not at the White House at the time . He was in Michigan for a speech and the signing of the farm bill .
NEW : A man is in custody ; all clear issue after briefcase checked . The incident happened at around 12:45 a.m. on the morning of March 10 when a woman was walking her dog near the intersection of East and West Main streets in downtown St. Louis. President Obama was away for the day .