MOSCOW, December 21 (RIA Novosti)
Below is a summary of the main security-related events in the North Caucasus on December 19, 2005
* Law enforcement bodies discovered a cache of weapons and explosives near the village of Zandak in Chechnya
* Daghestani law enforcers detained a transport vehicle in the Nazran, the republic's capital, carrying 70 metric tons of illegally produced oil
* The number of Chechen residents poisoned by an unidentified substance has reached 63 people, many of whom are children. A local healthcare official said medical personnel are still attempting to establish the cause of poisoning