Security forces and rebel fighters clashed again on Monday in Syria's largest city, Aleppo. Reuters reports that Syrian army tanks and helicopter gunships pounded rebel positions. The opposition reportedly is struggling to maintain control of its holdings in the city.

Fighting in Aleppo has raged for three weeks, and the city's residents are facing increasing food and fuel shortages. "We have hardly any power or water, our wives and kids have left us here to watch the house and have gone somewhere safer," Jumaa, a 45-year-old construction worker, told Reuters.

The Associated Press published a series of photos that captures the devastation in and around the embattled city. Pictures out of Syria are difficult to come by, as the Assad regime severely restricts coverage of the conflict.

Warning: Slideshow below contains graphic pictures.
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  • In this Sunday Aug. 5, 2012 photo, Syrians are seen through a destroyed wall as they walk on a street in town of Atareb outskirts of Aleppo, Syria, Sunday, Aug. 5, 2012. (AP Photo)

  • Syrians walk on a street at the entrance to the town of Anadan on the outskirts of Aleppo, Syria, Monday, Aug. 6, 2012. (AP Photo)

  • A Syrian boy is seen on top of a destroyed military vehicle inside a destroyed military base in the town of Anadan on the outskirts of Aleppo, Syria, Monday, Aug. 6, 2012. (AP Photo)

  • Syrians look at the bodies of nine Syrians who were found killed in the town of Anadan on the outskirts of Aleppo, Syria, Monday, Aug. 6, 2012. (AP Photo)

  • A Syrian boy looks at the bodies of nine Syrians on a truck after they were found dead in an open field and taken to the town of Anadan outskirts of Aleppo, Syria, Monday, Aug. 6, 2012. (AP Photo)

  • A Free Syria Army fighter waves from the top of a destroyed army tank in the town of Anadan on the outskirts of Aleppo, Syria, Monday, Aug. 6, 2012. (AP Photo)

  • In this Sunday Aug. 5, 2012 photo, a Syrian woman looks on as she sits next to a destroyed military vehicle in the town of Atareb on the outskirts of Aleppo, Syria. (AP Photo)

  • In this Sunday Aug. 5, 2012 photo, a Syrian man is seen in the back as he stands next to his motorcycle by the destroyed shops in the town of Atareb on the outskirts of Aleppo, Syria. (AP Photo)

  • In this Sunday Aug. 5, 2012 photo, a couch is seen in a damaged room in a destroyed house in town of Atareb on the outskirts of Aleppo, Syria. (AP Photo)

  • In this Sunday Aug. 5, 2012 photo, a Syrian family on a motorcycle passes by a bullet riddled street lamp post in the town of Atareb on the outskirts of Aleppo, Syria. (AP Photo)

  • In this Sunday, Aug. 5, 2012 photograph, Syrians pass by a destroyed house in town of Atareb outskirts of Aleppo, Syria. (AP Photo)

  • In this Sunday, Aug. 5, 2012 photograph, Syrians on a motorcycle pass by a destroyed shop in town of Atareb outskirts of Aleppo, Syria. (AP Photo)

  • In this Sunday Aug. 5, 2012, photo, a Syrian man holds bullets he picked from a wall in a damaged house in the town of Atareb outskirts of Aleppo, Syria. (AP Photo)

  • In this Sunday Aug. 5, 2012 photo, destroyed shops are seen in the town of Atareb on the outskirts of Aleppo, Syria. (AP Photo)