New goal-post technology is being tested by a West Midlands firm at Worcester Warriors.
The testing is hoping to solve the problem of disallowed goals in Rugby.
'GoalScan' creates an invisible electronic curtain between the goal-posts and acts as an additional tool for the referee.
The technology would help speed the game up as well as make the sport more accurate.
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Fog patches and extensive low cloud at first will steadily lift and clear.
A murky start with mist and fog then gradually clearing, although some eastern coastal districts may remain cloudier.
Isolated showers should die out through the evening to leave a dry remainder of the night.