At least 19 people have been killed in an armed attack in the state of Michoacán, in western Mexico, officials say. Gunmen swooped down on an illegal cockfighting pit in the community of Las Tinajas and opened fire, local media report. The motive behind the attack is not yet clear but a number of criminal gangs operate in the region. Bloody attacks on gatherings of rivals have become increasingly common. In recent months, gunmen in various regions of Mexico have targeted funerals and wakes as well as bars and clubs in their attempt to take out as many of their rivals at one time as they can. At least 19 people have been killed in an armed attack in the state of Michoacán, in western Mexico, officials say. Gunmen swooped down on an illegal cockfighting pit in the community of Las Tinajas and opened fire, local media report. The motive behind the attack is not yet clear but a number of criminal gangs operate in the region. Bloody attacks on gatherings of rivals have become increasingly common. In recent months, gunmen in various regions of Mexico have targeted funerals and wakes as well as bars and clubs in their attempt to take out as many of their rivals at one time as they can.(BBC)…[+]