Gunmen shot to death five men and one woman at a privately-run drug rehabilitation center in Guadalajara, authorities said Monday.

The prosecutor's office in the western state of Jalisco said the attack occurred around midnight in Tlaquepaque, a suburb of the state capital, Guadalajara.

“The criminal news was made known via the emergency number at approximately 2308 hours, for which the Municipal Police went to verify the report in which the presence of several armed persons was indicated at said point, where a rehabilitation center is located.”, indicated the prosecutor’s bulletin.