By Simon Evans (Reuters) – European soccer champions Chelsea are now effectively controlled by the British government after sanctions were imposed against Russian owner Roman Abramovich on Thursday. Abramovich, who had been under scrutiny following Russia’s invasion of Ukraine, announced he was selling the Premier League club last week. That process is now on hold, leaving the west London club, ranked by Forbes as the seventh most valuable in world soccer at $3.2 billion, in a state of limbo, operating under a special government licence. “The licence is a safety net to protect the sport, the P…