Srimad Bhagavatam Canto 10, Chapter 39, Text 08

SB 10.39.8

sri-suka uvaca
prsto bhagavata sarvam
 varnayam asa madhavah
vairanubandham yadusu
 vasudeva-vadhodyamam
 
Translation: 
 
Sukadeva Gosvami said: In response to the Supreme Lord’s request, Akrura, the descendant of Madhu, described the whole situation, including King Kamsa’s enmity toward the Yadus and his attempt to murder Vasudeva.
Srimad Bhagavatam Canto 10, Chapter 39, Text 07
Srimad Bhagavatam Canto 10, Chapter 39, Text 09