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Nitrous oxide balloons no laughing matter

THAILAND: Authorities are cracking down on vendors in Bangkok’s main backpacker district selling cheap doses of balloons of nitrous oxide, or laughing gas, to tourists.

Eight vendors have been arrested since police first noticed the trend a few weeks ago along Khao San Rd, a pedestrian street lined with bars and cheap hotels, police Lieutenant Colonel Pitiphan Kridakorn said.