Police still looking into killer nurse case

The police are still looking into the case of former nurse Petr Zelenka, who was found guilty of seven murders and sentenced to life in prison earlier this year, the daily Mladá fronta Dnes reported on Monday. The police are trying to establish whether he killed or attempted to kill more patients at a hospital in Havlíčkův Brod, eastern Bohemia, by giving them lethal doses of a blood-thinning drug.