REDDITCH Police are appealing for witnesses after assault near Arrow Valley Lake on Saturday, May 7.
They say a 34-year-old man was attacked during the incident, which happened at about 2.30pm.
A 24-year-old man from Dudley was subsequently arrested on suspicion of assault and was later released on police bail.
Anyone who witnessed the incident or has any information which would help their investigation is asked to report it online under the Tell Us About section at www.westmercia.police.uk quoting incident 316 of 7 May.
Alternatively they can contact Crimestoppers, anonymously, on 0800 555 111.