White House lockdown: Security alert sparked by souvenir truck catching fire

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• Secret service chiefs were also searching a nearby suspect car when a loud bang was heard just as President Obama was due to fly to Selma, Alabama

  
  
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• Destroyed: The souvenir truck apparently belonged to a Korean couple.
• The incident happened just as other security agents were examining a suspect car nearby after they were alerted to it by bomb sniffer dogs.
• Secret Service spokesman Brian Leary said the fire had been contained and a vehicle near the White House was investigated and cleared after a bomb-sniffing dog detected something on it.
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• Search: Security agents swarmed the area after the incident

  
  
• Obama and his family left the White House by motorcade instead of helicopter an hour later and boarded Air Force One at Andrews Air Force Base.
  The Obamas are traveling to Selma, Alabama, to commemorate the 50th anniversary of a civil rights march.
  Several streets around the White House were closed for a few hours but reopened soon after noon. White House tours were also interrupted but resumed in late morning after the vehicle identified by the dog team was cleared, the Secret Service said.
  The souvenir truck, which belonged to a Korean family from Virginia who do not speak English, was completely destroyed by the fire, according to a Reuters reporter at the scene.
  Over the past few months, the White House has come under several lockdowns, mostly caused by intruders jumping the fence.
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• Fears: Smoke billowed down the street after the fire broke out
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