Four senior lawyers, including the former attorney general Dominic Grieve, have written to Keir Starmer urging him to request that Indian prosecutors drop charges against the British national Jagtar Singh Johal on the basis that continued prosecution would be in manifest breach of the double jeopardy rule which prevents someone being tried twice for the same offence. Johal has been held in an Indian jail for eight years, and in March last year was acquitted of the terrorist charges laid against him in a court in Punjab. The court found the prosecutors had “miserably failed” to present any reliable evidence, despite having had seven years to do so. Despite his acquittal, Johal faces eight essentially duplicate cases filed by India’s National Investigation Agency (NIA), all based on the same “confession” printed on a sheet of paper that his supporters claim he signed after he was tortured by police with electricity and threatened with being burned alive.…