Police are searching for a man who they believe is now on the run.
All the robberies happened in Upper Darby, Delaware County.
Police in Upper Darby say they have a suspect in custody in connection with a hit and run that left a man in critical condition.
It happened around 10:30 p.m. Thursday in the 7000 block of West Chester Pike.
A 19-year-veteran of the Upper Darby Police Department has been arrested and charged with DUI and other related offenses.
In each of the incidents, suspect Blair Thomas, Jr. is described as wearing a rubber type mask to hide his appearance.
Upper Darby police are investigating the beating death of a 59 year-old man whose body was found Monday morning in his home.
Police have arrested 75-year-old David Anthony Seiver, of Upper Darby, for possession of child pornography possession and dissemination and criminal use of a communications facility.
The Upper Darby Police Department is offering a $1,500 reward for the arrest and conviction of three suspects wanted in connection with a burglary investigation.
The fire was reported shortly before 10 p.m. Thursday in the 700 block of Westwood Lane.
Clifton Heights police confirmed the identity of one of the two people struck by a pickup truck and another vehicle on Sunday night.
Police say Ernest Marks was driving with a suspended license when he killed a man and his dog in Delaware County earlier this week.
At 4 a.m., it was six degrees, but with the wind chill, the temperature felt like negative fourteen.
Police in Upper Darby are searching for a suspect involved in a fatal hit-and-run accident Sunday evening that killed one person.
Previously, Upper Darby Police announced that officers Michael Givens and Ryan Wisely would be back on the job as of Wednesday, Nov. 13.