The crew have landed safely

Update 8 - (fixed typos, disregard edit time) During a Q&A, its said that the Launch Escape System was used to escape a faulty booster, causing an acute onset of approx 7g. The crew is now back with medical professionals and their families in Baikonur, where they will remain for the day. Q&A (now concluded) on NASA's channel

Update 7 - Nick Hague and Alexey Ovchinin are seen in Dzhezkazgan, Kazakhstan boarding a plane, continuing from the landing site where they safely returned to Earth after a Soyuz launch abort earlier today. @NASA on twitter

Update 6 - The crew have landed by helicopter in Zhezkazgan. They are being medically cleared before heading to Baikonur. Looking good considering the circumstances! One Two

NASA release statement on incident

Update 5 - The crew members boarded helicopters and headed to the Zhezkazgan airport in Kazakhstan. A NASA plane will meet with astronaut Nick Hague. Reports say they are in good condition and experienced around 6 to 7 g's during the descent.

Brief statement by Jim Bridenstine

Update 4 - Search and Rescue have reached the crew. The crew have left the capsule, and are now being prepared to return to Moscow.

A commission is being formed to investigate the incident. A press conference will take place at a later date (not today, date unspecified. If anyone has more information than I do, please share so I can update this.) Check the sticky below for additional information and updates.

Update 3 - The crew landed 20km east of Kazahkstan town Zhezqazghan, over 400 km away from Baikonour. (thanks /u/scottm3 )

Update 2 - It is expected to take around an hour and a half to reach them. They had a very steep landing and were exposed to heavier g's than normal. Initial reports are that they are okay.

Update 1 - The crew have landed, Search and Rescue are in contact with them now. They are reported to be in good condition.

They are in a ballistic re-entry mode. The crew will not be going to the ISS, and they are doing a sharp landing back to Earth. More information will be provided as soon as possible.

Nasa live feed (Now concluded and restarted) https://www.youtube.com/watch?v=wwMDvPCGeE0 ( thanks /u/pinky1995 )

Can't find a good place to fit this, but I wanted to share an Interesting snippet from a BBC article

The onboard astronauts were certainly aware that something was not right because they reported feeling weightless when they should have felt pushed back in their seats.