The police are investigating a series of incidents where thumbtacks have been found scattered across pavements in Yishun.
The police said “reports were lodged and investigations are ongoing”, as videos and pictures circulating online show members of the public picking up thumbtacks from pavements.allege that the metal thumbtacks have been appearing since Monday., one food delivery rider said he heard that “at least 20-30” e-bikes have required a change of tires after they were punctured by the thumbtacks – all along various parts in Yishun.
The man, who wanted to be known only as Mas Attitude, said that riders began alerting each other about the thumbtacks via WhatsApp on Sept 19."Cannot be someone accidentally dropped it, confirm someone intentionally put it there", Mas Attitude said. Whoever put the thumbtacks there is"disturbing us from earning a living", he said, adding that changing a tire typically costs riders around $50.
Culprit should be age around 40 to 50s. Thats was the time we know thumbtacks.