BERKELEY (CBS SF) — Three suspects have been arrested for a takeover robbery spree targeting 23 Bay Area restaurants including eight in Berkeley, authorities said.

Berkeley police said Kristoffer Jones, 18, of Albany, and two Oakland residents, 40-year-old Shawan Spragans and 46-year-old Merl Simpson, were arrested in
connection with the robberies that began in early March.

READ MORE: Wild Fan Celebration Erupts Following San Francisco 49ers Last-Second Playoff Win

The trio was arrested while allegedly attempting to rob a San Francisco bar on Friday.

Nine of the robberies have been in Berkeley and eateries in San Francisco, San Leandro, Albany, Oakland and Hayward.

Berkeley police called it a “steadily evolving robbery series” in which restaurants were hit after closing time by the same suspects, who had a calm demeanor during the incidents.

READ MORE: San Francisco 49ers Special Teams Spark 13-10 Upset Of Green Bay Packers To Advance To NFC Championship Game

After the third Berkeley location was robbed, Berkeley police detectives began working jointly with other local police departments as well as the FBI on the investigation.

It was when the suspects tried to rob a San Francisco bar that was under surveillance by the San Francisco Police Department early Friday morning that arrests were made in the case, police said.

Police are asking anyone who has additional information on the case to call (510) 981-5900.

MORE NEWS: UPDATE: Wind-Whipped Wildfire Near Big Sur Forces Evacuations; 'Some Pretty Surreal Fire Behavior'

TM and © Copyright 2016 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2016 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Bay City News Service contributed to this report.