( CNN ) -- The Jonas Brothers have canceled a planned concert in Monterrey , Mexico , they announced Thursday , following an outbreak of drug-related violence there . The pop trio said they were saddened not to be going through with the show , scheduled for October 21 . `` While they wish to apologize to everyone who planned to attend the concert , this difficult decision was made out of their great affection and concern for their loyal fans in the region , '' their management said in a statement . The Disney-backed boy band will go ahead with concerts in Guadalajara on October 23 and Mexico City the following day , the statement said . Monterrey tickets can be exchanged for tickets to those concerts or refunded at the place of purchase . Moneterrey has seen a wave of violence as rival drug gangs battle each other and the police . There have been at least three grenade attacks this month . One was thrown at a police station on October 10 , wounding four police officers . Fourteen people , including eight children , were injured when a grenade was thrown in a public square in front of a city hall on October 3 , the state-run Notimex news agency reported , citing local officials . At least three grenades were thrown in the vicinity of the U.S. consulate in Monterrey late on October 1 , a consulate employee told CNN the next morning . The consulate does not appear to have been the target . A local newspaper reported that a guard at a local courthouse was injured by shrapnel in that incident . Monterrey is one of Mexico 's leading business centers . It is the capital of the state of Nuevo Leon , which has witnessed much violence as rival drug cartels fight with each other over lucrative smuggling routes and with the federal authorities .
Monterrey , Mexico , has seen at least three grenade attacks this month . Rival drug gangs are battling each other and the police . The boy band said the `` difficult decision was made out of their great affection and concern for fans ''