From france24.com:
Unidentified assailants armed with guns and Molotov cocktails attacked power stations in a violence-torn western Mexican state Sunday, leaving 11 towns without electricity in a suspected drug cartel attack.
The interior ministry said in a statement that national power company equipment, six gas stations and a convenience store were targeted in 11 towns in the state of Michoacan, but that nobody was hurt .
The statement did not identify the assailants, and interior ministry spokesman Eduardo Sanchez said authorities were investigation the attacks.
http://www.france24.com/en/20131028-mexico-towns-lose-power-suspected-cartel-sabotage