photo patrick henningsen 2016 news linethe white house place lockdown suspicious package throw fence onto north lawn minutes barack obama arrive officials reported.the unidentified perpetrator reportedly woman immediately take custody container currently check security fire truck hazardous materials response units dispatch area.the incident come week alert raise party balloon fly white house land roof press office eisenhower executive office building.read white house news 21st century wire white house file white house lockdown suspicious package person detain