Tyreece Campbell came off the bench to grab his first goal of the season and stop the rot for Charlton with a valuable point at Birmingham City.

The 22-year-old scored with his first touch in the 67th minute to end a run of five successive Championship defeats for Nathan Jones's side.

It capped a frustrating afternoon for Blues, who had led through captain Christoph Klarer and who hit the woodwork twice through Demarai Gray.

Charlton deserve plenty of credit for the way they upped the tempo after being outplayed in the first half at St Andrew's.

Klarer had given Birmingham a 28th-minute lead heading powerfully home after an excellent free-kick from Tommy Doyle.

Charlton should have equalised five minutes later when Isaac Olaofe intercepted a pass from goalkeeper Ryan Allsop and set up Miles Leaburn, only for the striker to finish poorly.

The home side had been warned and, taking charge of a compressed midfield, Charlton equalised through Campbell who had only been on the pitch for two minutes.

Olaofe provided the cross which Allsop could only divert on to the Jamaica international who put the chance away.

Gray, who had struck the post in the first half, again hit the Charlton woodwork with a superb individual effort as Blues again dominated the game.

Birmingham laid siege to the visitors' goal with a succession of corners.

They also had an inviting free-kick in the 90th minute but Charlton goalkeeper Thomas Kaminski, well-positioned, made a fine save from Gray.

Lewis Koumas could have won it for Blues in added time, but could not convert his header as Charlton held out for a deserved point.

Charlton Athletic manager Nathan Jones on BBC Radio London:

"He's [Tyreece Campbell] a young kid in his first year in the Championship. He does everything we ask of him.

"He's predominantly a left winger. We've converted him to a front man, we've converted him to a No 10 in how we play, then he's had to play at left wing-back because of all the injuries we've had down the left-hand side.

"We've had to put him at left wing-back and say - can you do 12k up and down with 1000m high-speed running - and he does it.

"He's been the main presser and he does it.

"This kid is grafting for this football club. He's a south-east London kid. I'm proud of him, really proud."

Birmingham City manager Chris Davies told BBC Radio WM:

"It's a frustrating one for us because the way we played in the first half was very good and we scored a very good setpiece goal and we had a good few chances.

"We hit the post and I thought more of the same basically. But when you can't get that second goal the game is always alive.

"We probably slipped into a protective mindset a bit too early in terms of our game. They had a little spell which you can predict in a game.

"We pushed on to try to get the win at the end. We hit the bar and had a few other moments but it wasn't to be today.

"We've had two games away from home, it has been a long week, and I think there was almost a mindset of let's see this game out.

"We didn't quite have that normal zip and freshness as the game went on. There were some heavy legs. In the end we've dropped that winning position.'