After more rain on day three, they say they need to get australia out by lunch to have a good chance of winning the second ashes test. After yesterdays washed out the weekend is looking a little more promising. Sunshine and showers, but quite windy at times, too. Its saturday 17th august. Our top story. Detectives investigating the killing of a Police Officer in berkshire have sealed off a nearby caravan site. Pc Andrew Harper, who only got married four weeks ago, died after he was dragged along by a vehicle as he was attending reports of a burglary. Our correspondent simonjones is at the scene. Simon, what more do we know . Earlier on we hired the sentiment from the forest, the sadness. The reaction has been quite overwhelming from this, hasnt it . Yes, great deal of shock and sadness and still a big Police Presence where pc harper lost his life. This side of the road remains cordoned off, the other side the police ourselves. We believe pc harper was derived from one side of the road