MEXICO CITY—Mexico’s soccer league on Sunday said it would suspend upcoming matches at a stadium in the central city of Queretaro where violent clashes left two dozen people injured and restrict visiting fans from attending away games. The brutal attacks among spectators during the Queretaro-Atlas match on Saturday sent 26 people, mostly men, to hospital with three people in critical condition. Mexico’s soccer league also said it would pursue sanctions, without detailing who might be held responsible or what the sanctions might include. “We have an immediate challenge to generate a clear and understandable response and effective punishment,” said Mikel Arriola, president of Mexico’s Liga MX league, at a news conference. “We are not going to have any soccer activity here until the case is resolved,” he added, referring to Queretaro’s Corregidora stadium. Arriola said owners in the league would meet on Tuesday to discuss further disciplinary measures, including for …