Police close in on suspected arsonists in Herefordshire town POLICE officers say they are 99% sure who is behind a recent spate of arson attacks in Ross-on-Wye. West Mercia Police began hunting for the culprits of what they believe to have been deliberate fires in March. PC Shirley Peters told councillors that two people have been interviewed. “We’ve had two male youths, who on every single occasion, seem to be in the area,” she said. “Those two young males have been in and have been interviewed. “We haven’t had any more arson attacks since the males have been spoken to.