Cops reportedly found a hypodermic needle, which is commonly used by heroin addicts. The singer, 30, was allegedly fined and later released for a performance in the country.
“We were contacted by the captain of a BA flight and a passenger was controlled by police," the Sun quoted a Geneva police spokesman as saying. "He was charged, but I cannot say what with. He paid a fine and was allowed to go," the spokesman added.
Doherty previously landed in prison for breaching a probation order after a number of arrests stemming from his drug use.