OAKLAND — A mob of teenagers who brazenly snatch cellphones from BART riders’ hands has struck again, BART police said.

The incident occurred at the Coliseum BART station on Friday around 9:03 p.m. Two victims reported that their phones were grabbed by teens, who then ran away.

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BART passengers robbed by 40 to 60 youths in Oakland BART officers responding to the incident detained a group of youths in the parking lot the station, and found them in possession of one of the missing phones. A victim identified one of the teens suspected in the thefts, according to police logs.

The 14-year-old boy was arrested on suspicion of theft from a person and was cited to his parent. The other teens detained were identified and released.

BART police Lt. James Scott said the victims have to be able to positively identify the suspects in order to arrest them. Although another teen was identified as having been there with the arrested teen, only the one teen was arrested as the a suspect, he said.

The case will be forwarded to the Alameda County District Attorney’s Office for possible charges for all those detained.

Scott said it appears they might have been involved in a larger group that dispersed after the snatching.

Friday’s thefts were the latest in a string of similar crimes on BART. In September, six victims sued the transit agency for gross negligence after various robberies. On April 22, Rusty Stapp, his wife Patricia and daughter Amanda were assaulted when 50-60 teens jumped fare gates at the Coliseum station and rushed a Dublin-bound train.

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Police say seven people were robbed of cellphones, a duffel bag, and a purse during the attack. A similar incident occurred just days before on April 18, when a mob banged on the train before entering, and then began robbing people of their cellphones.

In July, the transit agency started a cellphone theft awareness campaign. At the time, BART police said that cellphone thefts had spiked at the start of the year with 58 system-wide in March, 44 in April, 28 in May and 27 in June.

It’s not known if Friday’s incident is related to past thefts.