Authorities say that they are increasing the number of officers at arenas in wake of the Manchester Arena attack on May 22, 2017. Officers are seen here outside a New Kids On The Block concert in Dallas on Tuesday, May 23, 2017 with bomb-sniffing dogs.
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US Officials Raise Security Profiles at Arenas
If you are going to a concert or ballgame this week in the United States, you may not notice increased security -- but it will be there.
