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Baltimore police arrested two teens after additional officers were deployed in the neighborhoods around Patterson Park where four robberies were reported Friday. Southeastern District Major William Davis said the shift commander recognized the pattern of two teenagers, who were using a BB gun to rob victims, and deployed officers into the area. A woman told police she was approached at about 4:30 p.m. by two males who had a gun and attempted to rob her in Patterson Park, near Linwood Avenue.

Robo Raven is making aviation history - again. The robotic bird's maiden flights in December were a first in the history of flying machines, but lasted only seconds inside the Reckord Armory at the University of Maryland, College Park. Now the mylar and carbon fiber contraption is back, soaring higher, longer and more accurately - the first machine ever built that flies on wings that can move independently of each other, as real birds' do. "Nobody has flown anything with independent wing control," before, said S.K. Gupta, a professor of mechanical engineering in the A. James Clark School of Engineering at College Park.

Tennis Severna Park resident Daciek wins Mid-Atlantic title Severna Park resident Patrick Daciek , a Virginia Tech alumnus, won the men's singles title at the U.S. Open National Playoffs Mid-Atlantic Sectional Qualifying tournament Tuesday with a 6-4, 6-3 victory over Matt Brooklyn at the Tennis Center in College Park. Patrick Daciek Matt Brooklyn Brooklyn and partner Stephanie Wetmore , both assistant tennis coaches at Georgetown, took the mixed doubles title, 6-3, 6-1, over the Annapolis-area duo of Andrew Carlson and Olivia Gaudreault . In the women's singles final, Nika Kukharchuk defeated 14-year-old Raveena Kingsley , who trains in College Park, 6-2, 6-3, for her second straight sectional title.

A stream flowing through Wyman Park turned bright pink, then lime green Thursday as city crews attempted to pinpoint with dye a break in a sewage pipe that officials estimate has spilled tens of thousands of gallons of untreated human waste into the tributary of the Jones Falls. The Public Works Department sent crews to check out Stony Run near 39th Street shortly after a suspected sewage leak was reported about 10:30 a.m., said department spokesman Kurt Kocher. As part of their investigation, they put a red dye into the sewer line to help them spot the leak.

Baltimore's park system has slipped from 15th to 21st in an expanded ranking of open space in the nation's 50 largest cities with relatively low funding cited as a continuing problem. The nonprofit Trust for Public Land gave Baltimore's 4,905 acres of parks the same overall grade Wednesday as it had last year -- three out of a possible five "park benches," or stars, in its ParkScore rating system. But the city lost ground in the rankings because the trust added 10 new cities to its review of  municipal parks, several of which topped Baltimore, including Minneapolis, which came in #1, Omaha, Neb. (#11)

Traffic in both directions on Park Heights Avenue in Baltimore County has been closed on Monday morning due to a felled tree in the roadway that also brought down power lines, according to the state Department of Transportation. The closure was posted by DOT at 10:08 a.m. Officials said a tree fell in the roadway and downed some power lines on Park Heights Avenue between Velvet Ridge Drive and Greenspring Valley Road. DOT officials said that DOT and BGE repair crews are on the scene, and they have yet to receive word on whether the wires are live.

Last week, the Takoma Park City Council voted 6-1 to change its charter to become the first city in America to lower the voting age to 16. While we are the first city to adopt this policy, we have little doubt that others will follow. Maryland already has been a national leader in extending voting rights to younger voters when it opened its primaries years ago to 17-year-olds. That practice has spread to more than 20 states, and the case for a lower voting age in local elections is similarly strong.

A community meeting to discuss the design for a new Severna Park High School that was planned for Monday night has been postponed, school system officials said. A new date has not yet been set.

There's both energy and change moving along Southeast Baltimore's waterfront in Canton and Fells Point. It's become the neighborhood boom of 2013, involving more than 800 new apartments and the construction of a shopping plaza along Boston Street in Canton at one-time industrial and commercial locations. Like Harbor East's surprise transformation a decade ago, the changes in Southeast Baltimore require some touring for learning purposes. It's a story that involves the pushing back of an industrial area plus a tricky piece of cosmetic construction and surgery in a historically protected section of commercial Fells Point.

The week after Memorial Day sees the return of a good bunch of popular farmers' markets. The Lauraville Farmers' Market starts up again on Tuesday. This sweet little market, sponsored by Hamilton-Lauraville Main Street, runs every Tuesday, 4 p.m. to 8 p.m., through Oct. 15 at 4500 Harford Road, across from the Safeway. The Baltimore County Farmers Market at the Maryland State Fairgrounds in Timonium returns on Wednesday. The market continues every Wednesday, 10 a.m. to 1 p.m., through Oct. 30. The Druid Hill Farmers' Market is back on Wednesday for its third year.