“The Proton-M launch vehicle was launched from the Baikonur Cosmodrome,” Roscosmos said in a Twitter message.

# Eutelsat5WestB / # MEV1: LIFTOFF! 🚀

The Proton-M launch vehicle together with with the EUTELSAT 5 West B / MEV 1 satellites on board lifted off from the #Baikonur cosmodrome at 10:17 UTC.

Broadcast → https://t.co/ip4MnegEqXpic.twitter.com/rRJf4hsBFQ

- ROSKOSMOS (@roscosmos) October 9, 2019

Earlier in the "Roskosmos" stated that the launch of the Proton-M launch vehicle with commercial satellites, postponed for testing, is scheduled for October 9.