SINGAPORE – To sabotage rival contractors, a man damaged and removed advertisements they put up at new Build-To-Order (BTO) estates in Toa Payoh and Ang Mo Kio.
On Sept 22, Lee Sai Koon, 75, was sentenced to 10 days’ jail after pleading guilty to three charges of mischief.
The court heard that the police became aware of his actions after residents living in Lorong 1 Toa Payoh alerted them in August and September 2025 that advertisements stuck on their doors appeared to have been intentionally damaged.
Deputy Public Prosecutor Mark Chia said contractors competing for business at newly completed HDB blocks would cover up rivals’ posters or cut them up with penknives to render their competitors’ advertisements ineffective.
Lee, the sole proprietor of a firm called Tong Sheng Impex – which designs, manufactures and installs metal racks for storage purposes – was one of the contractors involved.
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