Radio Fundraiser at Roberta's; STK, Asellina Expanding

WILLIAMSBURG ? The Heritage Radio Network is hosting its first major fundraiser at Roberta's Pizza on September 9, from 5-8 p.m. Tickets are $150 ($250 for VIP), with food by spots like Gramercy Tavern, Back Forty West, Del Posto and others. [EaterWire]

EXPANSIONWIRE ? The One Group is expanding two of its concepts with New York ties. Over the next year and a half, new locations of sexed up steakhouse STK will open in London, DC and Toronto, while another Asellina location will open in London this fall. [Zagat]

TRIBECA ? The team at Atera is opening a bar downstairs, tentatively called The Office. Grub Street reports that the office is due to open sometime this fall, "most likely" in October or November. [GS]

DOWNTOWN BROOKLYN ? Also coming to downtown Brooklyn is Prime Four, a pizzeria by the team from Woodland. When the project was announced back in 2011, the opening date was "mid-2012." No word on when it's due to open now. [Brownstoner]

UPPER WEST SIDE ? Koshertopia learns that Teaneck, NJ-based burger shop Gotham Burger is opening on the Upper West Side sometime after September's holidays. [Koshertopia]

DOWNTOWN BROOKLYN ? Deli chain Potbelly Sandwich Shop has signed on to open a 2,500 square foot location at 345 Adams Street, joining a host of other chains (Sugar and Plumm, Panera Bread) in the renovated office building. [EaterWire]

PARK SLOPE ? Pastry and sandwich shop Gialeti's Café is for sale, Here's Park Slope learns. Owners Gia Noonan and Lety Sas still have 6 1/2 years left on the lease for the 25 seat café, which they're offering up for $3,077 per month. [HPS]

EXPANSIONWIRE ? Japanese chain Sarku Japan is expanding in the New York area. (The chain already has locations in north Jersey.) A location opened today on Flatbush Avenue in Brooklyn, with more locations coming to Queens, Yonkers, Harlem and Long Island. [EaterWire]

PARK SLOPE ? A new bagel shop called Beygl is taking over the former El Pollo space. Beygl will offer breakfast and lunch service. [HPS]

CRIME WIRE ? The case of Guy Fieri's stolen Lamborghini just keeps getting better: the friends of suspect Max Wade tried?and failed?to spring him from juvy on his 18th birthday. Head over to Eater National for more. [Eater National]