One of Britain's best-known nightclubs, Fabric, will bring in sniffer dogs after being saved from closure. The club's licence was reviewed after a string of drug-related deaths.
In September a teenage girl died after taking MDMA at the club. Police say in the last three years eight people have collapsed - four later died.
On Thursday night the licencing committee reviewed Fabric's licence which means clubbers will be checked for drugs.
All clubbers at Fabric could also be subject to ID checks. CCTV will also be improved.
For two years running, Fabric was voted the 'Best Club In The World' in DJ Magazine's top 100 clubs.
Fabric says it has medical staff in place to deal with emergencies: