RALEIGH — Police have charged a 17-year-old Cary resident with armed robbery and attempted armed robbery in a string of Raleigh hold-ups Friday and this week.

Raleigh officers arrested Jaquan Contrell Collins of 102 Jamie Court on Tuesday afternoon at Fisher and Cross streets.

Collins is charged with three counts of robbery with a dangerous weapon, three counts of conspiring to commit that crime and one count of attempted robbery with a dangerous weapon.

Two hold-ups Friday were at a Sonic restaurant on Atlantic Avenue and of a woman whose cash and ATM card were taken.

In both instances, the robber had a handgun, police said.

A DTLR store on Raleigh Boulevard was robbed Monday, and there was an attempted robbery at Ace Cash Express check cashing on New Bern Avenue on Tuesday, according to arrest warrants.

In the first hold-ups, police charged that Collins conspired with a man named Ja-man Patterson.

Tuesday, they charged in a warrant that Collins conspired with a juvenile.

Collins’ bail was set at $750,000.