Srimad Bhagavatam Canto 10, Chapter 77, Text 27

SB 10.77.27

evam nirbhartsya mayavi
 khadgenanakadundubheh
utkrtya sira adaya
 kha-stham saubham samavisat
 
Translation: 
 
After he had mocked the Lord in this way, the magician Salva appeared to cut off Vasudeva’s head with his sword. Taking the head with him, he entered the Saubha vehicle, which was hovering in the sky.
Srimad Bhagavatam Canto 10, Chapter 77, Text 26
Srimad Bhagavatam Canto 10, Chapter 77, Text 28