HOUSTON (KTRK) -- Three suspects in an armed robbery at a north Houston deli have given themselves up after a SWAT standoff with police at an apartment complex.Shortly after 9:30am, three males held up Abby's Deli in the 2700 block of Greens Road. They robbed the deli of cash and some cell phones. The suspects made their getaway in a stolen maroon vehicle.A deli worker's phone was stolen and her service provider helped authorities track the phone to an apartment complex in the 500 block of Seminar, less than a mile away from the scene of the crime. Officers with guns drawn surrounded the building where they believed the suspects were hiding out. They were hiding in the apartment of a girlfriend of one of the suspects. SWAT officers were called to the scene, and after about an hour and a half, the three suspects surrendered to police.Two of the suspects are juveniles, and one is an adult. The girlfriend got out of the apartment and was cooperative. She is not facing any charges.