At least 23 people have been killed in gruesome circumstances in the Mexican city of Nuevo Laredo, on the US border. Nine bodies with signs of torture were found hanging from a bridge. Hours later, 14 decapitated bodies were discovered in a vehicle, police said. Their heads were found in ice boxes dumped outside the mayor's office. Nuevo Laredo is the scene of a feud between two of Mexico's biggest drugs gangs, who are fighting for control of smuggling routes into the US. A message left with the hanged bodies said they were members of the Gulf drugs cartel who...