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Security tightened in Asia after London blasts

Security has been tightened in some Asian countries on Friday after a series of bomb attacks in London that killed at least 50 people and injuring some 700 others. South Korea tightened security measures over airports and other major facilities on Friday. Police raised terror alert and intensified baggage checks at the Incheon International Airport, the country’s biggest gateway. The National Police Agency deployed armored vehicles, and sent bomb-sniffing dogs into Seoul Station in and near the American Embassy in the downtown area. Full Story