Injury news: Police have reported a bicycling accident in Allentown which remains a mystery. A bystander found Douglas Long of Allentown on the side of Dauphin Street at about 9:20 pm Monday evening. He was taken to Lehigh Valley Hospital Center in serious condition having suffered a head injury. Police are investigating whether the injury was caused by a pothole in the road, an unidentified driver, or whether he lost control due to road and/or traffic conditions. Anyone with any information or who may have witnessed anything unusual should contact Allentown police Captain Daryl Hendricks.