Terror Fears Rattle Cities More than 400 troops, armored cars and tanks move on London's Heathrow Airport, evidently in response to a terror threat. Meantime in Boston, tighter security is witnessed at Logan Airport, community centers and other public places. Hear NPR's Robert Siegel, crime reporter John Steele of London's Daily Telegraph and NPR's Tovia Smith.
NPR logo Terrorism Fears Rattle London, Boston

Terrorism Fears Rattle London, Boston

More than 400 troops, armored cars and tanks move on London's Heathrow Airport, evidently in response to a terror threat. Meantime in Boston, tighter security is witnessed at Logan Airport, community centers and other public places. Hear NPR's Robert Siegel, crime reporter John Steele of London's Daily Telegraph and NPR's Tovia Smith.