Litter is in the spotlight. The mess left behind at Laneway Music Festival was singled out by Prime Minister Lee Hsien Loong and Emeritus Senior Minister Goh Chok Tong. Mr Goh warned that Singapore might become a "garbage city".

But signs of the litterbug are right at your doorstep. Here are three tell-tale signs that you are living in a housing block that is a 'litter hotzone'.