Sign up now for FREE unlimited access to Reuters.com Register April 9 (Reuters) – Russian forces continue to use improvised explosive devices (IEDs) to inflict casualties, lower morale and restrict Ukraine’s freedom of movement, according to British military intelligence on Saturday. “Russian forces also continue to attack infrastructure targets with a high risk of collateral damage to civilians,” the defense ministry said in a statement. Russia’s withdrawal from northern Ukraine leaves evidence of disproportionate targeting of non-combatants, the statement said. Russia has denied that it targeted civilians in what it calls a “special operation” to demilitarize and “demilitarize” its southern neighbor. Sign up now for FREE unlimited access to Reuters.com Register Report by Maria Ponnezhath in Bangalore. Edited by Chizu Nomiyama Our role models: The Thomson Reuters Trust Principles.