Police Blotter is a sampling of crimes from police reports in Baltimore City and Baltimore County.
Armed robbery: A 19-year-old man was walking in the 2400 block of E. Fairmount Ave. about 8:30 p.m. Sunday when a man dressed in black clothing approached him, pointed a gun and said, "Gimme all your money!" The robber took $50 and fled north through an alley off Montford Avenue.
Larceny: A hitchhiker picked up by a 22-year-old Oklahoma truck driver stole a Cobra CB radio from the truck between 1:30 a.m. and 1:50 a.m. Sunday, when the driver got out in the 5500 block of O'Donnell St. The radio was valued at $400.
Knife attack: Herman Dickerson, 45, was cut in the head and back about 5 a.m. Sunday with a meat cleaver-like knife at his home in the 1700 block of Cliftview Ave. - allegedly by his ex-girlfriend after a verbal confrontation. Dickerson was treated at Johns Hopkins Hospital. Police had an arrest warrant for the woman, identified as Marci Lee Foster, 33, address unknown..
Arson: A city-owned building in the 2000 block of E. Eager St. was set on fire with an unknown combustible substance about 6:30 p.m. Saturday. The kitchen and basement areas were damaged. Police said the building appeared to be vacant.
Robbery: A woman walking in the 1900 block of Talbot St. about 3:45 a.m. Saturday was approached by a man who held a knife to her throat and demanded money. When she told him she didn't have money, he demanded a ride and she drove him to an unknown location. The woman returned home and called police.
Robberies: Seven men approached another man at York Road and Chesapeake Avenue about 2 a.m. Sunday and took his coat and $5. The men then walked a block to Pennsylvania Avenue, where they punched a man and took his cell phone.