Rescue 24 Rescue 33 Rescue 34 Rescue 43 Rescue 44 Engine 11 Engine 31 Tower 27 Squad 7 Comm 25 Battalion 6 responded to an Alert 2 on Taxiway A&B for 2 Learjets that clipped wingtips, while one was taxiing to takeoff and the other was headed to the terminal from a different runway. Two separate air traffic controllers gave each plane clearances. Those ATC have been placed on leave pending an investigation. There was one minor injury that was taken off the larger Learjet for evaluation at a local hospital. Minor damage to the wingtips of both aircraft, no fuel leaks or fires. The aircraft were escorted by the Rescues back to the terminal for deplaning of the passengers.