Commander Sergey Ryazansky of Roscosmos and flight engineers Paolo Nespoli of ESA and Randy Bresnik of NASA are set to launch for the ISS from Baikonur today. Here`s NASA's live feed if you wish to watch.
Update: Launch was successful. Astronauts are now in orbit awaiting rendezvous with the ISS in about 6hrs. You can still watch replays and status updates on the stream though.
Update 2: Live coverage of docking procedures have now started. The ISS is awaiting 3 new astronauts to inhabit it.
Update 3: Contact confirmed over Germany. Checks and airlock measurements commenced. Astronauts to enter ISS in ~1.5 hours.
Update 4: Astronauts about to enter the ISS in about 15minutes.
Update 5: The astronauts are entering the ISS and will hold a press conference soon.
Update 6: Event is over. Livestream will resume normal NASA broadcasting. It will feature highlits from the events of the day for a few more hours at least, so check it out.
Update 7: All live coverage of the event has ended. You can check you this post if you want a rundown of the events that transpired. Thank you!