A worker scratches his head while talking on the phone as he looks over a sinkhole on Friday in Milwaukee, Wisc. Powerful thunderstorms caused widespread flooding in southern Wisconsin, closing down Milwaukee's airport and opening up a giant sinkhole, and two people were hospitalized after being struck by lightning, authorities said. Morry Gash/AP
A gallery assistant jumps up to try and touch No Title (Table and Four Chairs), 2003, an installation by US artist Robert Therrien, as she poses for photographers during a media viewing for an exhibition by Therrien at the Scottish National Gallery of Modern Art in Edinburgh, Scotland, on Friday. David Moir/Reuters
A man plays with his child against the backdrop of monsoon clouds on a beach in Mumbai, India, on Friday. Danish Siddiqui/Reuters
A laborer cleans up oil at the oil spill site near Dalian port, Liaoning province, China, on Friday. China's Xingang oil port has resumed some refined fuel loading for the domestic market, but fuel exports remain temporarily halted, industry officials said, amid continuing efforts to clean up an oil spill at the country's major port of Dalian. Reuters
US Army soldiers with the 1-320 Field Artillery Regiment, 101st Airborne Division, watch as a M-ATV armored vehicle burns after it struck an improvised explosive device (IED) near Combat Outpost Nolen in the Arghandab Valley north of Kandahar, Afghanistan, on Friday. Bob Strong/Reuters
The tomb of Sultan Mohammed Telai, which was destroyed during the Afghan civil war in the 1990's, is lit by the setting sun on Friday, in Kabul, Afghanistan. Dusan Vranic/AP
A hot air balloon flies in the early morning on Friday at the Quick Chek New Jersey Festival of Ballooning in Readington, NJ. The festival runs through Sunday. Mel Evans/AP
Ferrari Formula One driver Fernando Alonso of Spain steers his car during the second practice at the Hockenheim race track in Germany on Friday. The German Formula One Grand Prix will take place in Hockenheim on Sunday. Kai Pfaffenbach/Reuters
Tim Ream of the New York Red Bulls gets caught in the net after trying to defend against Tottenham Hotspur player Gareth Bale's goal during the second half of their exhibition match at Red Bull Arena in Harrison, NJ, on Thursday. Jessica Rinaldi/Reuters
First Lady Michelle Obama (l.) and Homeland Security Secretary Janet Napolitano (r.) join guests at the christening ceremony for the third U.S. Coast Guard National Security cutter, Stratton, on Friday in Pascagoula, Miss. Obama delivered the principal address as the ship's sponsor. The vessel is named for Dorothy C. Stratton, the Coast Guard's first female commissioned officer. Rogelio V. Solis/AP
A nearly full moon rises behind the world's second tallest skyscraper, Taipei 101, in Taipei, Taiwan, on Friday. Wally Santana/AP
An American Brown Pelican flies past surfers waiting for a wave on Friday near Haulover Beach Park in Miami-Dade County, Fla. A tropical storm warning has been issued for the Gulf coast as Tropical Storm Bonnie begins moving over South Florida. WIlifredo Lee/AP
In this photo released on July 22 by the Suffolk County Police Department, a person wearing a Darth Vader mask and cape is captured on a surveillance camera robbing a Chase bank in Setauket, NY, on Thursday. The bandit escaped with an undetermined amount of cash. Suffolk County Police Department/AP
Syria's largest city is contested by various rebel groups, including anti-US jihadists. A UN envoy is trying to broker a temporary cease-fire so that humanitarian aid can reach civilians.
ByDominique Soguel, Correspondent
The battle for Syria’s largest city is intensifying, as are UN-led diplomatic efforts to arrange a local cease-fire. UN envoy Steffan De Mistura is trying to broker a halt to fighting in Aleppo between an array of Islamist and moderate rebels and the government forces of President Bashar al-Assad. Jihadist extremists also have their sights on the city, which is divided into rebel and regime enclaves.