The average number of estimated Russian casualties in February was approximately 983 per day, marking an all-time high since the start of the full-scale invasion, the U.K. Defense Ministry wrote in its March 3 update. The update appears to be citing the UK Defense Ministry’s own estimation of Russian losses. The increase in casualties “almost certainly” reflects Russia’s “commitment to mass and attritional warfare,” according to the ministry. “Although costly in terms of human life, the resulting effect has increased the pressure on Ukraine’s positions across the front line.” A graph presented…