Singapore's squeaky clean has suffered a body ith a recent govern d kclosure that the has a serious pollu 1rOhlein. In,.-nid ber, the island's cnvi ncrit ministry said that air pollution had reached an unhealthy level and advised people with serious heart and lung ailments to stay indoors.

Singapore authorities, however, say that the thick haze that has shrouded,the city in recent weeks can be traced to forest fires raging in neighbouring Indonesia.