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BTO advertising rivalry led to damaged posters and a 10-day jail term
Lee Sai Koon spray painted rival advertising in Ang Mo Kio and cut his own posters in Toa Payoh to make them harder to remove, damaging public property. Lee’s wife received a conditional warning.
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Key takeaways
- Lee Sai Koon spray painted rival advertising in Ang Mo Kio and cut his own posters in Toa Payoh to make them harder to remove, damaging public property.
- Lee’s wife received a conditional warning. Two other men were charged in January 2026, but their case outcomes are not established by the provided reports.
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openai.comCreate a landscape editorial hero image for this Studio Global article: How did contractor Lee Sai Koon’s rivalry with other advertisers at new Singapore BTO estates lead him to spray-paint a competitor’s posters. Article summary: Lee Sai Koon’s competition for customers at new BTO estates turned into a fight over advertising space: he spray-painted over a rival’s posters in Ang Mo Kio and cut his own posters in Toa Payoh to make them harder for r. Topic tags: general, general web, user generated. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, charts with fa
Competition for customers at new Build-to-Order (BTO) estates spilled into a dispute over posters in shared residential spaces. Contractor Lee Sai Koon tried both to interfere with a rival’s advertising and to keep his own posters in place. Those actions damaged property, and the broader dispute drew complaints from residents. 1
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How the poster rivalry escalated
In Ang Mo Kio, Lee spray-painted rival advertising on a notice board. In Toa Payoh, he used a penknife to cut portions of his own posters where they were fixed to acrylic boards. The cuts were meant to make the posters harder for competitors to remove, but they also damaged the boards behind them. The spray-painting damaged the notice-board area. 1
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The Toa Payoh incidents formed part of a wider dispute over advertisements in the lifts and common areas of a new BTO estate. Residents at two blocks lodged 13 police reports about posters stuck in the estate. The Bishan-Toa Payoh Town Council also reported damaged advertisements and public property to the police after receiving residents’ feedback. 2
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What happened to Lee and the others?
On September 22, 2026, Lee was sentenced to 10 days’ jail after pleading guilty to three mischief charges. His wife, who had been involved, received a conditional warning. 1
Joo Tat Chong and Kevin Lee Wei Qiang were charged alongside Lee in January 2026 over alleged vandalism and mischief linked to the competing advertisements. The provided reports establish that they were charged, but do not establish the outcomes of their cases. 4
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What is the short answer to "BTO advertising rivalry led to damaged posters and a 10-day jail term"?
Lee Sai Koon spray painted rival advertising in Ang Mo Kio and cut his own posters in Toa Payoh to make them harder to remove, damaging public property.
What are the key points to validate first?
Lee Sai Koon spray painted rival advertising in Ang Mo Kio and cut his own posters in Toa Payoh to make them harder to remove, damaging public property. Lee’s wife received a conditional warning. Two other men were charged in January 2026, but their case outcomes are not established by the provided reports.
Sources
straitstimes.com10 days’ jail for contractor who damaged rivals’ ads at Toa Payoh, Ang Mo Kio BTO estates
channelnewsasia.comwww.channelnewsasia.com › singapore › contractor-sabotageContractor who sabotaged rivals' advertisements gets jail for ......
asiaone.com3 men to be charged for alleged vandalism motivated by business ...
stomp.sgContractors' ads slashed in Toa Payoh Ridge lifts, town council ...