It took police chases on foot and in cars to arrest two men suspected in at least two convenience store robberies.Colorado Springs officers were called Tuesday at 11 p.m. to the Diamond Shamrock store on Arlington Drive for a robbery. The clerk said three men forced him to open the cash register. He said at least one man was armed. The robbers left with an unknown amount of cash.Twenty minutes later, police were called to an attempted robbery at a Loaf N Jug store on Chelton Boulevard. Officers said the description of the robbers was very similar to those in the Arlington Drive robbery. However, in this case, someone gave officers a description of a getaway vehicle.Police stopped that vehicle a few blocks away. They said two passengers ran off.While some officers chased the two men on foot, the police report said the suspect vehicle drove off and another officer had to chase the car.The police report said the foot chase ended a short distance away with one 24-year-old man being arrested with the help of a police dog. Officers said a gun was found near the man. The second man got away, police said.The third man, 23, was identified later and arrested at an apartment, according to the police report.Colorado Springs police said the names of the robbers are not being released.Police are investigating whether the two men arrested Tuesday night are connected to a dozen or so robberies of convenience stores in the past week, Sgt. Steve Noblitt told 7NEWS."We're awful curious," said Noblitt.Noblitt said investigators may look at crime reports up to six months back to see if these men are connected to other robberies.