A 57-year-old Hong Kong taxi driver was arrested on Monday for the alleged theft of HK$1.1 million (US$140,130) in cash a passenger had left on the back seat.

At 7pm on Sunday, the 59-year-old owner of a currency-exchange shop in Yuen Long, New Territories, booked a taxi to drive her home after work, Apple Daily reported. She had been carrying the cash in a reusable shopping bag, which she put on the back seat of the cab.

However, she forgot to take the bag with her when she arrived home in Tsuen Wan, and only realized her mistake a few hours later.

She immediately contacted the taxi driver but he said he had not noticed any reusable bag in his car.

The woman reported the case to police.

The taxi driver repeated his story to the police that he had not noticed any bag in his cab, adding that he had taken a few passengers to various locations after the woman’s ride.

However, by investigating surveillance-camera footage, officers found no evidence that the cabbie had driven to the places he mentioned, Sing Tao Daily reported.

Police arrested the taxi driver at 5pm on Monday in Pak Nai, Lau Fau Shan, on suspicion of theft and misleading a police officer. Officers confiscated all the cash in the house.