Srimad Bhagwatam describes about the Kalki avatar and massacre of Sinners.
(18) In the village of S'ambhala Lord Kalki will appear in the home of
the great soul, the eminent brahmin Vishnuyas'â ['the glory of
Vishnu']. (19-20) Mounting His swift horse Devadatta, the Lord of the
Universe endowed with His sword, transcendental qualities and eight