"The Djarmasvamin said that "when they had reached the city of Vaisali, all the inhabitants had fled at dawn from fear of the Turushka [Muslim] soldiery." Vikramasili was still existing in the time of the Elder Dharmasvamin [1153-1261 CE] and the Kashmir [1145-1225 CE], but when the Dharmasvamin visited the country there were no traces left of it, the Turushka soldiery having raised it to the ground, and thrown the foundation stones into the Ganga [Ganges River]. At the time of Dharmasvamin's visit to Vajrsana, the place was deserted and only four monks were found staying (in the Vihara). One (of them) said, "It is not good! All have fled from fear of the Turushka soldiery." They blocked up the door in front of the Mahabodhi image with bricks and plastered it. Near it they placed another image as a substitute. They also plastered the outside door (of the temple). On its surface they drew the image of Mahesvara in order to protect it from non-Buddhists. The monks said, "We five do not dare to remain here and shall have to flee." As the day's stage was long and the heat great, said the Dharmasvamin, they felt tired, and as it became dark, they remained there and fell asleep. Had the Turushkas come, they would not have known it. At daybreak they fled towards the North following the rut of a cart, and for seventeen days the Dharmasvamin did not see the face of the image (i.e., the Mahabodhi image). At that time also a woman appeared, who brought the welcome news that the Turushka soldiery had gone far away."
January 1, 1970
https://en.wikiquote.org/wiki/Decline_of_Buddhism_in_the_Indian_subcontinent