Rose arrived at Jhansi on 10 March 1858 and during the siege defeated a relieving force under Tatya Tope at the Betwa on 1 April 1858. Most of Rose's force was locked up in the siege and so he could only field 1,540 men against Tatya Tope's army of 20,000 troops and 28 guns. With the advantage of Punjabi-Afghan sepoys he was able to rout the enemy, inflicting a total loss of 1,500 men and all of their stores. Jhansi was stormed and the city taken on 4 April 1858. The entire civilian population of the city was massacred. However the Queen, Rani Lakshmibai, who had defended the fort, made an escape to Kalpi. Rose went on to capture Lahore, Konch and Kalpi in May 1858.