 On 9 and 10 February the Allies attacked the 33rd Svishtov and 34th Troyan Regiments but were repulsed by a decisive counter-attack by the Troyan Regiment.The British advance on 21 February was repulsed by Bulgarian artillery after a two-day battle.The Allied command found that the Bulgarian positions were better fortified than in the previous year, so it ordered a systematic artillery barrage on these defences.