As many as 2,000 civilians were killed daily as the Japanese continued to bomb the city by day and shell it at night. Governor Thomas cabled London that "there are now one million people within radius of three miles. Many dead lying in the streets and burial impossible. We are faced with total deprivation of water, which must result in pestilence...." On February 13, Percival cabled Wavell for permission to surrender, hoping to avoid the destruction and carnage that would result from a house-to-house defense of the city. Churchill relented and on February 14 gave permission to surrender. On the evening of February 15, at the Japanese headquarters at the Ford factory in Bukit Timah, Yamashita accepted Percival's unconditional surrender.