Two separate incidents of violence have left nine people injured in World Cup host cities in the United States, raising concerns over the safety and security of fans attending the tournament that starts in three days.Six people were wounded in a stabbing on Sunday at New York’s Penn Station, the city’s mayor said, as the metropolitan area geared up to host two major sporting events, the NBA Finals and the FIFA World Cup.Recommended Stories list of 4 itemsend of listMeanwhile, nine people sustained non-life-threatening injuries in a shooting near England’s World Cup base camp in Kansas City, Missouri, on Saturday.The New York City Fire Department said a suspect was detained and the victims, including one with serious injuries, were taken to hospital.Fire Department officials initially reported five wounded, but Mayor Zohran Mamdani said on X that “based on the information available right now, six people were stabbed and the alleged perpetrator is in custody.”Circumstances of the attack were not immediately clear, but city Comptroller Mark Levine said on X that the suspect is “said to be an emotionally disturbed homeless person”.All victims are expected to survive, he added.State Governor Kathy Hochul described the attack as “an act of horrific violence”.“New Yorkers deserve to feel safe wherever they go, and we will never stop working to make that a reality,” she said in a statement.The incident occurred at one of the nation’s bu …