Investigators want help tracing these potential witnesses to a violent assault in Plymouth.Police believe the couple pictured above may have seen the incident, which happened near the Lidl store in Woseley Road at about 2.30am on February 6.The male victim met a man he had been in contact with on dating site Grindr.They arranged to meet on Wolseley Road.However, once in the suspect's car the victim asked the driver to stop his vehicle and let him get out at the Lidl in Wolseley Road.An E-fit...
