Two teenage boys have been charged with murdering a dad who was stabbed to death after his car was rammed off the road - and conspiring to murder his son. <br /><br />Kelvin Ward, 50, was knifed in his car on Chester Road, in Castle Bromwich, Birmingham on April 18. <br /><br />He had been travelling in a car which was ploughed into by another vehicle before he was knifed by a gang of thugs who then fled the scene.<br /><br />Leighton Williams, 28, from Stechford, Birmingham, has already been charged with murder alongside a 16-year-old boy. <br /><br />West Midlands Police said today (Thurs) two 17-year-old boys had now also been charged with murder and conspiracy to murder Mr Ward's son.<br /><br />One of the boys has been remanded into youth detention while the second will appear at Birmingham Magistrates Court this morning,.<br /><br />A force spokesperson said: "The family of Mr Ward have been made aware of the recent update and our thoughts remain with them.<br /><br />"We continue to appeal for anyone with information which could assist our investigation to come forward."<br /><br />Tributes were paid to Mr Ward by his family, who described him as a "loving partner, father, son, brother and friend to many."<br /><br />They said in a statement: "We would like to thank everyone for their loving messages and support at this very sad time. <br /><br />"Kelvin was a loving partner, father, son, brother and friend to many. He was very well loved, vibrant, full of life and will be greatly missed.”<br /><br />Photographs taken at the time show how a black Ford Fiesta was let damaged after crashing into railings near a pedestrian crossing. <br /><br />A red Ford Focus, a black Vauxhall Corsa and a Jeep were also spotted abandoned near the scene. <br /><br />An 18-year-old man remains on police bail as enquiries continue and police are still urging any witnesses or those with information to get in touch. <br /><br />The force can be contacted via Live Chat online, or by calling 101, and quoting log 4840 of April 18. <br /><br />Alternatively, information can be given anonymously to Crimestoppers on 0800 555 111.