A Russian national was among approximately 30 migrants who reached British shores undetected in an unescorted small boat near Dover last Tuesday, sparking major security concerns. Experts have warned that the incident demonstrates how the Kremlin could exploit the Channel migrant crisis to infiltrate spies and saboteurs into Britain, particularly amid mounting fears of Russian attacks on NATO allies.

Twenty-one migrants, including the Russian, were detained following the landing; the remainder remain missing. Two unescorted boats evaded Border Force interception last week—the second carrying five migrants near Folkestone, all of whom were detained. Although there is no evidence the Russian national was a spy or saboteur, investigators are exploring whether he was attempting to evade military conscription in Ukraine. The Home Secretary has ordered an urgent review by Border Security Command into how the undetected landings occurred.