A US citizen who allegedly left a mental health nurse unable to walk for six weeks after a car crash in the UK has been arrested in the US and is facing extradition. Issac Calderon is accused of causing Elizabeth Donowho serious injury by driving a silver Honda Accord dangerously on July 31 last year. West Mercia Police previously said the suspect was not arrested immediately after the incident on the A4103 near Shucknall in Herefordshire due to requiring medical attention for serious injuries. Calderon, who gave his name to the authorities as Isac Alejandro Calderon, appeared in a federal cou…