[Niyusu]

From the Japan Times:

The U.S. Embassy informed Americans in Japan on Tuesday that it has recommended that its employees avoid frequenting bars and clubs in Tokyo's Roppongi entertainment district, and specifically areas around Roppongi crossing, because of a significant increase in drink-spiking incidents.

Typically, the victim unknowingly drinks a beverage that has been secretly mixed with a drug that causes unconsciousness for several hours, during which the victim's credit cards are used or stolen, the embassy said. Victims sometimes regain consciousness in a bar or nightclub, but at other times victims wake up on the street, it said.

Full Article: Embassy warns of Roppongi drink-lacing | Japan Times