Plymouth's goalscorer Xavier Amaechi is booked.

Things don't get much easier for Birmingham as Kevin Schade replaces Dango Ouattara.

Forest's Xaver Schlager goes into the book for a foul seconds after the restart.

The second halves in the two late games in the Midlands are under way.

Plymouth send on Tegan Finn, Caleb Roberts and Aribim Pepple.

Dan George
BBC Sport England at St Mary's

West Ham ended the first-half well and have carried that momentum into the second period.

They have looked the better side since the break and are now making some big changes.

Jarrod Bowen, Valentín Castellanos and others are being readied for action, Southampton have also gone to the bench with former West Ham player Flynn Downes coming on.

George Rees-Julian
BBC Sport Wales

Ante Cranc is pushed to the front to take in the adulation from the travelling Norwich fans following his scoring return after 10 months out with an injury.

He delivers three fist pumps in celebration to the Canaries fans who braved the lengthy trip to Cardiff.

A second for Joshua Ajala means West Ham are winning 2-1 at Southampton, while two goals in as many minutes means Lincoln now lead Blackpool 3-1.

Elsewhere, Peterborough are now 3-0 up at Championship Watford.

Harry Howell's feet are lightning fast. He skips past Jack Clarke and has a go but his effort is straight down the throat of Christian Walton.

Attackers challenge from Jack Clarke and he picks up a booking for the late hack.

Hull go on the attack early in this second half as Liam Miller sends in a low cross from the left. It isn't the best cross in the world but requires a save from Josh Griffiths at his near post.

Image source, Getty Images

I don't think many of us saw this coming after five minutes when Coventry went 2-0 up.

Louis Page sets one out towards the far post. Looks to have a nice shape on it but smashes off the head of Dara O'Shea.

A one-two involving Coventry's two goalscorers as Jack Rudoni shoots wide from 20 yards from Taiwo Awoniyi's return ball.

Cameron Humphreys makes a desperate challenge just outside of his own box and picks up a booking for his troubles.

George Rees-Julian
BBC Sport Wales

The Cardiff fans explode into noise as Yousef Salech pulls one back. Are we on for a grandstand finish at the Cardiff City Stadium? Three added minutes to go...

No VAR in this competition until the latter stages so I can't even tell you if it's the correct decision or not.

Coventry doing most of the attacking in the second half. The break probably came at a good time for the Sky Blues.

Almost tempted fate then!

The ball is sent into the far post and Jakub Stolarczyk makes a great save. Kasey McAteer thinks he's put Ipswich in front but the flag quickly goes up.