BUDAPEST (Reuters) – England players were booed by Hungary supporters when taking the knee in protest against racial injustice ahead of their Nations League clash in Budapest on Saturday. Hungary were hosting England in what was officially a behind-closed-doors match after being disciplined by both FIFA and UEFA for repeated racist behaviour, including during England’s previous visit to Budapest last September. However, the Hungarian FA said last month children could attend the match at the Puskas Arena. Under Article 73 of UEFA’s disciplinary regulations, children up to the age of 14 from sch…