A Muslim who stabbed an orthodox Jew 20 times on the top deck of a London bus, was yesterday ordered by an Old Bailey judge to be detained in hospital without limit of time. Algerian Nabil Ouldeddine, 29, made three separate attacks with two knives on student Mayer David Myers, 21, as passengers pleaded for the 253 bus to stop. Mr Myers, whose injuries included a severed artery, was saved after a 10-hour emergency operation and was introduced to the Queen when she visited Homerton hospital, east London. Police treated the attack as a racially motivated incident. It happened in...