Birmingham make it five unbeaten with a fourth win in that run.

Liam Millar's brace, both from Tomoki Iwata assists get the job done for Chris Davies' team before substitute Demarai Gray added a late third.

QPR had their chances but could not beat James Beadle in Blues goal.

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This is a big win for West Ham.

Divine Mukasa's first-half effort, which had a touch of offside about it in the build-up, is enough to secure the points.

Swansea gave it a good go and Ben Cabango thundered against the underside of the bar from four yards out and then dragged another close range finish past the post after the break, but they are beaten at home for the first time while the Irons remain unbeaten on the road and are now just a point off the top and up to second.

Ronald should have been the hero again.

Having got the last-gap winner at Millwall he ghosts in at the back post to meet a deep cross from the left but can only head down and back across goal rather than get his effort on target and West Ham are able to clear their lines.

Viktor Johansson with what could be a match-winning save, getting down low to deny David Ozoh's shot.

From one end to the other.

Edvin Austbo drives forward and finds Taty Castellanos who picks out Joel Piroe who can only turn his first-time effort past the upright from near the penalty spot.

We are into the closing stages at Ashton Gate and Sheffield United should be out of sight - but Ryan One becomes another Blades attacker to miss a big chance.

A cross comes in from the left and it falls to sub One on the right side of the box, but he fires over the bar.

The noise is coming from the away end but Swansea are once again massed in the Irons half, trying to work a way through the massed ranks of Hammers shirts.

Adam Blackmore
BBC Radio Solent commentator

Southampton need to just create a clear-cut chance. They have had them, they just haven't taken them.

That might have been the chance for West Brom to bag all three points.

Ousmane Diakité stands a cross up from the left and Jimmy-Jay Morgan rises highest in the six-yard box but nods over the bar.

Morgan and George Campbell have just been replaced by Felix Horn Myhre and Nat Phillips for the remainder of this game.

Into FIVE added minutes.

West Ham doing a good job of slowing the game down now.

They had a half chance to make the point safe but Morato has dragged a shot well wide of target after good work from Tomas Soucesk, who is on for Manor Solomon.

West Ham have settled right down and are playing much further up the pitch now, and enjoying a bit more of the ball too.

Into the final minute of normal time, but expect a few to be added.

Six minutes of stoppage time at St Mary's.

It is in the balance as we enter the final 10 minutes of normal time at The Hawthorns.

West Brom have battled back to get themselves level in this game after a blistering start made by Blackburn and it is the hosts who now look a little likelier than the visitors if there is to be a decisive fifth goal.

Rovers are, though, a side capable of breaking quickly and in numbers.

Mathias Kvistgaarden, on as a substitute for Norwich is close but not close enough as he is set-up by Pelle Mattsson.

The Norwich skipper Mattsson is doing all he can top prompt his side having already hit the post as well.

Jamal Fyfield
Former EFL defender on BBC Radio London

West Ham have been quite dogged in their defensive approach in this game and they haven't been breached until the chance which came off the crossbar. That was Swansea's best chance of the game.

I think Nuno's substitutions have been spot on. It's not only been a polished performance from the players but from the head coach as well.

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Some nervy West Ham defending as an attempted clearance is hoisted back into the Hammers goalmouth and drops to Ronald on the edge of the box who sends a volley flying well wide of goal with a nick off a team-mate on the way.

Joel Piroe has come on for the Hammers against his old club, replacing Divine Mukasa, to a muted reception from his old fans, it's fair to say.

Will they get a better chance?

James Bree is fed by Leo Scienza but with the goal at his mercy from close range, Bree shoots wide.

That is a real head-in-hands moment.

Every claret and blue shirt within 35 yards of their own goal as Melker Widell splits the defence with a glorious pass with the outside of his foot but Mads Hermansen is able to claim the looping cross from the left touchline which follows it.