The heads, all belonged to males, the Tlaxcala State Attorney General's Office announced as police hunt their killer.

Six severed heads have been found on a road in central Mexico, in an area not normally associated with cartel violence. Local authorities made the discovery early on Tuesday morning on a route that links the broadly peaceful states of Puebla and Tlaxcala.

Six human heads were found on a road between the Mexican states of Puebla and Tlaxcala. The severed heads were discovered in what are considered to be mostly peaceful regions in the early hours of Tuesday,