Killer Russian agents smeared Salisbury door with deadly Novichok – two hours later I rang that SAME doorbell

WHEN two Russian killers smeared the world’s most lethal toxin on the door handle of the Skripals’ unassuming home in Salisbury, it would become known as the most audacious assassination attempt by a foreign power on British soil. And as I rang the bell on that very same door just two hours later, I had…