Six teenagers arrested after Guildford town centre robberies
Six teenagers have been held over a series of robberies in Guildford during a police chase which saw an officer and suspect end up in a river.
Eight youths were threatened with violence by a group who demanded they hand over their belongings at about 17:20 GMT on Wednesday.
Divisional and roads police, firearms units and CCTV operators tracked the suspects, Surrey Police said.
Six 17-year-olds from London were arrested and taken into custody.
The victims were threatened around the Friary centre and the High Street, police said.