A two-car accident involving a head-on collision between a silver convertible and an older model Subaru tied up traffic on 15th Ave E and drew a crowd Thursday afternoon but did not appear to cause any serious injuries. An ambulance was called to the accident at 15th and Harrison around 2:26 PM to treat the driver of the Subaru for what appeared to be minor injuries. The accident left the two cars smashed and dripping fluids in the middle of 15th Ave — the southbound convertible appeared to have been in the lane of the oncoming car before colliding.