Smog alert remains in place in central Bohemian region

A smog alert remains in place in several central Bohemian cities with dust particles in the air twice exceeding set norms. The towns of Mladá Boleslav, Beroun and Příbram are said to be the worst affected. The local authorizes have appealed to drivers to leave their cars at home and use public transport until the situation improves. Doctors have warned people suffering from heart problems or asthma to stay indoors as much as possible. Children and the elderly have also been warned about possible complications particularly in view of the continuing frosty weather.