MEXICO CITY (AP) -- Police say they have found 154 illegal migrants inside a semitrailer. Federal police official Arturo Herrera says many of the migrants were suffering from severe dehydration after spending nearly a week cramped inside the semitrailer.

Herrera says police stopped the rig along a highway in the Gulf state of Tabasco. Inside the tractor-trailer, authorities found 140 Guatemalans, seven Ecuadoreans, four Hondurans, two Salvadorans and one Chinese.

The driver was detained and the migrants were turned over to immigration authorities for deportation.