'Demolition derby' at murder scene Murder victim Peter Davis, whose body was found at the Great Eastern Motor Lodge. A MAN who was staying at the Rivervale motel when the body of Perth businessman Peter Davis was found has described seeing a demolition derby take place in the carpark the night before. Bronston Haenow was giving evidence in the trial of brothers Ambrose John Clarke and Xavier Gerard Clarke who stand accused of murdering the 57-year-old. Both have denied killing Mr Davis, whose body was found in the boot of his car which was parked at the Great Eastern Motor Lodge on May 31, 2011. During the hearing today, Mr Haenow, who was testifying via videolink from Busselton, told the court he had been staying at the motel with his wife and daughter after flying in from Derby. The former immigration detention centre officer said he woke up around midnight after hearing a loud "banging" sound. When he looked out the window he told the court he saw two 4WDs "smashing into each other." He said he remembered seeing a blue and a silver type car but could not recall which coloured car was trying to block the other from leaving but did recall that the one on his right was preventing the other car from exiting. He told the court the cars then began smashing into each other up against the wall of the car park before ramming into other cars that were parked in the lot. "It was like a demolition derby," he said. Mr Hanow's wife Taylor also gave evidence today saying she witnessed both cars collide with each other. She told the hearing she had also heard a loud banging noise just after midnight and went to the window, where she saw two 4WD-type cars ramming each other. She said remembered seeing a light and dark coloured car and that there were two people in one vehicle because she remembered seeing "two sets of legs" and one person in the other. Mr Davis' son Kurt testified earlier this week that he had been searching for his father at the Great Eastern Motor Lodge when Ambrose Clark was a passenger in a blue Hilux that rammed his silver Tritan ute in the motel carpark. Kurt Davis called police after the incident, who arrived at the scene and found his father's car in the boot of his Mitsubishi Pajero.