New York City Security Intensifies for New Year’s
Police are setting up security checkpoints, sealing entrances to underground pipes and tunnels, and installing scanners to detect radiation and other dangerous chemicals. A network of security cameras is also in place.
New York City Police Commissioner Ray Kelly has said there are no specific threats against the city although officials are aware such celebrations are always a potential target.
Officials say security arrangements are adjusted every year based on the latest intelligence.
U.S. President Barack Obama's chief counter-terrorism advisor has said security officials have increased their efforts to ward off any possible attacks during the period between the Christmas holiday and New Year's day .
John Brennan told reporters last week the ability of terrorists to train and move operatives to carry out large-scale attacks has lessened due to intensive anti-terrorism efforts.
Last year, a young Nigerian man allegedly attempted to bomb a U.S.-bound airliner on Christmas Day with explosives concealed in his underwear.
Visitors have been flocking to New York City's Times Square since 1907 to watch as officials lower a ball to mark the start of the new year.
This year's ball is made of Waterford Crystal. It is more than 3.5 meters wide and weighs near 5,400 kilograms.