Liz Hutchinson waves to passing motorists outside a polling station while campaigning for her husband who is running for a local office during the Maryland primary election in Elkton, Md., on Tuesday. Rob Carr/AP
Senate candidate Christine O'Donnell talks to voters in Wilmington, Del., on Tuesday. O'Donnell is in a Republican primary battle with Rep. Mike Castle for a Senate seat. Delawareans vote in the primary election around the state Tuesday. Robert Craig/The News Journal/AP
Democratic gubernatorial candidate, Milwaukee Mayor Tom Barrett (l.) talks with Jim and Margo Drummond at O & H Danish Bakery in Racine, Wis., on primary election day Tuesday. Mark Hertzberg/Journal Times/AP
Rick Lazio, Republican gubernatorial candidate for New York, smiles after voting in New York's primary for governor at Newin-Bay Shore Ford on Tuesday in Bay Shore, NY. Kathy Kmonicek/AP
Republican gubernatorial hopeful John Stephen greets supporters as he arrives to vote in Manchester, NH, on Tuesday. Jim Cole/AP
Republican candidate for governor Carl Paladino (r.) votes with his wife, Cathy (l.) in New York's primary in Buffalo, NY, on Tuesday. David Duprey/AP
Washington Mayor Adrian Fenty (r.) cheers with supporters after casting his vote Tuesday during Washington's mayoral primary. Ann Heisenfelt/AP
District of Columbia Council Chairman and mayoral candidate, Vincent Gray (l.), greets supporters with his daughter Jonice Gray Tucker (r.) at the polling station in Washington on Tuesday. Jacquelyn Martin/AP
Philip Davi of Brightwaters, NY, signs the register to vote in the Republican gubernatorial primary at Newin-Bay Shore Ford on Tuesday in Bay Shore, NY. Kathy Kmonicek/AP
Rep. Mike Castle and wife Jane vote Tuesday morning at Highlands Elementary School in Wilmington, Del. Castle is in a Republican primary battle with Christine O'Donnell for the US Senate seat previously held by Vice President Joe Biden. Delawareans vote in the primary election around the state Tuesday. Robert Craig/The News Journal/AP
The US led air campaign sought to build on the successes of Friday and Saturday, when Iraqi Kurdish forces helped by US planes were able to break the siege of Mt. Sinjar, where a genocide of Yazidis was once feared.
ByIsabel Coles, ReutersDoina Chiacu, Reuters
US-led air forces attacked Islamic State targets on Sunday with 13 air strikes in Iraq and three in Syria, the US military said. The bombing in Iraq has helped Kurdish forces roll-back advances by the self-styled Islamic State, which led to a stunning victory for the Kurds yesterday.