News at Seven-Thirty highlights: three teenage boys were arrested for possession of explosives; ingrediants for making TATP are still available for sale in local shops; customs and health authorities stepped up their crack down on illegal medicines; China marked the end of the Dala Lama’s rule in Tibet; Obama won support from top bankers for his efforts to rid financial institutions of bad debts; soldiers and police in Indonesia dug through debris in search of survivors afer a dam burst; Kwai Ching district councillor has received a suspended jail sentence for fraud.