DURHAM—The Durham community is on alert after yet another assault on the American Tobacco Trail.

The latest attack happened Monday afternoon near Fayetteville Road and Woodcroft Parkway. It is the 13th reported crime on the trail in 2012 alone. Police say a man was walking on the trail when he was approached by a man who demanded money and then punched him several times.

Following the incident, there are new safety efforts by citizens who use the American Tobacco Trail. Efforts are under way for joggers and bikers who use the trail to travel in groups.

One woman is organizing a bike patrol and she said a few residents rode together Monday night on the trail just hours after the latest incident occurred.

The suspect in Monday's attack is described as a man in his early 20s, about 5 foot 7 inches with a medium, dark build wearing a dark blue windbreaker and blue jeans.

The police department has increased patrols along the trail and is also considering installing surveillance cameras along the trail. No arrest has currently been made in the latest attack.

Anyone with information is asked to call Crime Stoppers at 919-683-1200.