An explosion near a Colombian bullfighting ring injured 30 people.
At least 10 police officers were guarding the area, which has been targeted by protesters.
Police say 12 suspects are in custody.
An explosion near a Colombian bullfighting ring injured 30 people.
Posted at 6:11 AM, Feb 20, 2017
and last updated 2017-02-20 08:13:54-05
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