Greenville Police are looking for a group of people that robbed a man at knife point Friday. Police say 19 year old Brandon Sumpler, an ECU student, was attacked by a group of people who took his money at knife point, cutting him in the process. The incident happened at the bridge on East 14th Street near Charles Boulevard. Police are also investigating another assault on another teenage student. Police say this time the victim was a 16 year old, who was jumped by 2 boys on Friday at the corner of Elizabeth Street and Martin Luther King Jr. Boulevard in downtown Greenville. Police say the teenager suffered minor injuries. Its unclear if the two crimes are related, but if you know anything about either of these two crimes you are asked to contact your local authorities.