Chihuahua state prosecutors' spokesman Arturo Sandoval says the assailants showed up as minutes after the religious ceremony had ended Friday evening and killed a man and kidnapped the others as dozens of wedding guests watched.

Sandoval says no arrests have been made and a motive for the attack has not been determined.

Ciudad Juarez, a city of 1.3 million across from El Paso, Texas, is one of the world's deadliest cities, and a two-year turf battle between drug cartels has left more than 5,000 people dead.