RICHMOND, Va. -- Police believe ... same person ... three armed robberies ... Virginia Commonwealth University's ... downtown Richmond ... Tuesday night. There were no injuries ... robberies ... 9:50 p.m. in the 1000 block of Grove Avenue... and at 10 p.m. in the 1300 block of West Clay Street ... 10:12 p.m. in the 700 block of West Clay,.... Richmond and VCU police were searching ... black man in his 20s ... small, silver, semiautomatic handgun ... wearing a ... gray hoodie ... white Chevrolet Impala. Police said ... victim's wallet and cell phone.... There ... two victims in...