A420 crash oxford mail

It seems like you're referring to a serious incident that occurred in Oxford, UK. The A420 is a major road that connects Oxford to Swindon, and it's unfortunate to hear that there was a crash on this road.

Can you please provide more context or details about the crash? For instance, what happened, how many people were involved, and were there any injuries or fatalities? Additionally, did you come across this information through the Oxford Mail or another source?

I'm here to help and provide any assistance I can.