Another sight of goal for Falkirk as Celtic fail to clear a set-piece.

Full-back Ryan Strain's shot flashes just over the bar.

Jack Walton tips wide as a cross aimed a Joe Hugill bounces dangerously in the United box.

Kilmarnock cannot do much with the corner, however.

Falkirk are allowed far too much time and space on the edge of the Celtic box and Finley Barbrook drags his shot just wide.

A warning for the hosts.

It's Hearts turn to give it away in their own half as Stuart Findlay's poor pass is picked off.

Liam Smith gets his head up and crosses to the unmarked Jamie Gullan at the back post, but the forward puts his volley harmlessly wide.

In the last few minutes, St Johnstone have got far more of a foothold in the game. Jamie Gullan had a good run at the box, there's been a few decent crosses.

However, it's Hearts who have the next shot at goal as Laurent Mendy whips one at goal from 20 yards, but goalkeeper Toby Steward turns the midfielder's effort round the post.

Kheredine Idessane
BBC Sport Scotland at Rugby Park

It is absolutely not Kilmarnock's afternoon so far.

A goal down, they've also had to make a substitution after 18 minutes, with Robbie Deas going off injured to be replaced with George Stanger.

Home manager Neil McCann hoping things can only get better from here.

Brian McLauchlin
BBC Sport Scotland at Tynecastle

The confidence is oozing from this Hearts team this afternoon. Laurent Mendy in particular is loving the freedom he is having in the midfield area.

St Johnstone started the game well but are maybe just lacking a little belief now they have gone behind.

Kheredine Idessane
BBC Sport Scotland at Rugby Park

The small pocket of Dundee United fans in the top deck of the Chadwick Stand are making quite a racket.

They have a one-goal lead and they've just seen left-back Will Ferry curl a beauty just wide of Max Stryjek's left-hand post.

Dangerous times for Killie, who can't afford to concede again.

United on top thus far.

Image source, SNS

Another effort from United.

Will Ferry picks up on the left, cuts inside the box and bends a right-foot shot narrowly wide of the far post.

Meanwhile, Kilmarnock have an injury to contend with as defender Robbie Deas receives treatment.

Martin Dowden
BBC Sport Scotland at Celtic Park

Haissem Hassan looks very bright down the right side for Celtic.

It appears the home side are trying to get the Egypt international on the ball at every opportunity and he's a winger that looks like his first thought is to commit defenders rather than safely pass inside.

Celtic are pushing for a second here.

Alex Oxlade-Chamberlain shoots from distance and the midfielder forces goalkeeper Scott Bain into a sharp save down to his left.