Mexico's top security official says top drug lord Joaquin "El Chapo" Guzman escaped through an elaborate tunnel.
Security Commission Monte Alejandro Rubido says the mile-long tunnel opened into the shower area of his cell. He tells reporters that Guzman used an elaborate escape hatch built allegedly without the detection of authorities.
Rubido says 18 employees from various part of the Altiplano prison 90 kilometers (56 miles) west of Mexico City have been taken in for questioning.
With his escape Guzman has done what Mexican authorities promised would not happen after his re-capture last year - to slip out of a maximum-security prison for the second time.
A manhunt remains under way for Guzman, head of the powerful Sinaloa Cartel. The organization has an international reach and is believed to control most of the major crossing points for drugs at the U.S. border with Mexico.
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