LONDON - Former finance minister Ishaq Dar was admitted to London Bridge Hospital for treatment of his chronic neck and lower back pain. Dar is being given steroid injections into his cervical spine in the form of nerve root block and facet joint steroid injections, according to hospital sources.  The former minister had been having chronic progressive neck pain radiating to the arm for which he was referred by his cardiac surgeon to a consultant spinal neurosurgeon at the London Spinal Centre, it has been learnt.