MI5 cannot stop another Salisbury-style attack because it's easy to smuggle poisons, spy warns

A senior intelligence officer, named only as Tom, revealed that the Kremlin continues to take 'quite an active interest' in a number of people living in Britain. https://www.dailymail.co.uk/news/article-9323787/MI5-stop-Salisbury-style-attack-easy-smuggle-poisons-spy-warns.html?ns_mchannel=rss&ns_campaign=1490&ito=1490