UPDATE, 3:30 PM: Boston Police report a third man, 28, has died. The Jamaica Plain Gazette reports the violence started with the stabbing.

MORNING UPDATE: Boston Police report two victims died. One died from multiple stab wounds; the other from being shot several times. A third victim was also shot but is in stable condition. The fourth victim, an innocent bystander jogging across the street, was treated and released at Faulkner Hospital.

Police say the intended victims were all Hispanics in their 20s; they declined to further identify them - or to say whether the alleged shooter was one of the dead men.

AlertNewEngland reports several people were shot inside the Same Old Place, 662 Centre St. (across from JP Licks), around 7:30 p.m. and that the suspects ran down Seaverns Avenue. WBZ tweets four people were shot, two are in critical condition. Channel 25 reports one of the victims was an innocent bystander across the street.

Jamaica Plain Patch reports a fight broke out in the sub shop and one guy drew a gun and started shooting. The Globe reports no employees were injured. NECN says a suspect is in custody.

At 9 p.m., Andrew Heining tweeted:

Centre Street a maze of police tape, news vans as officials investigate tonight's quadruple shooting

Alex Jones posted photos from the aftermath.

Same Old Place in happier times - Attorney General Martha Coakley visiting during her Senate bid this past January:

Photo used under this Creative Commons license.