Postpublished at 90+11 mins
Watford 0-3 Norwich
Lovely crossfield pass from Cucho Hernandez but Juraj Kucka's attempted cross on the volley is awful, straight into the hands of Angus Gunn.
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Norwich out of bottom three for first time this season
Watford have not won since 20 November & drop into relegation zone
Sargent's inventive finish & header; Dennis off for two yellows & Kucka own goal
Game stopped for 11 minutes because of partial floodlight failure - teams agree to play in reduced light
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Shamoon Hafez
Watford 0-3 Norwich
Lovely crossfield pass from Cucho Hernandez but Juraj Kucka's attempted cross on the volley is awful, straight into the hands of Angus Gunn.
Watford 0-3 Norwich
The rare sight of 90+10 minutes ticks on the clock.
There's still five minutes to play.
Vicarage Road is pretty much empty already.
Watford 0-3 Norwich
What a strike from Cucho Hernandez, smashing one from 30 yards out which beats Angus Gunn and rattles the crossbar.
Watford 0-3 Norwich
Joshua King shot from the edge of the area, dragged wide.
Watford 0-3 Norwich
A final change for Norwich sees Przemyslaw Placheta come on for Milto Rachica and the Pole will get a 10 minute run out.
Watford 0-3 Norwich
Juraj Kucka's own goal came less than four minutes after coming on to the pitch.
Quite an impact.
Watford 0-3 Norwich
This is now turning into a humiliating home defeat for Claudio Ranieri.
"Sacked in the morning," sing the travelling fans.
Juraj Kucka (own goal)
Norwich in dreamland.
Before tonight, the Canaries had scored three away goals all season, now they've got three on one night.
Adam Idah darts into the box and pulls the ball back into the six yard area.
There is no trouble before no Norwich player is going to get on the end of it, but sub Juraj Kucka panics and sticks a foot out to divert the ball into his own net.
Watford 0-2 Norwich
Watford pull one back as Moussa Sissoko hooks one in with the ball coming over his shoulder, but it's ruled out for offside.
We have 15 (fifteen) minutes of injury-time added on in this game.
Watford 0-2 Norwich
Juraj Kucka's first act is to go down in the box, but Mike Dean waves away the appeals for a penalty.
#bbcfootball
Pun Guy: If Sargent keeps this up he'll be captain material one day.
That's why he's the Pun Guy.
Watford 0-2 Norwich
Another Watford change, Kiko Femenia is replaced by Juraj Kucka.
Watford 0-2 Norwich
Shut up shop time from Dean Smith.
Striker Teemu Pukki makes way for defender Sam Byram.
Four minute plus loadsss of additional time to play.
Watford 0-2 Norwich
Ooof, what a hit from Joao Pedro, picking the ball up down the left side of the area before whipping a curling strike onto the roof of the net.
Angus Gunn was worried.
#bbcfootball
Ian Tyrrell: Why not custard and cream?
That's just wild.
Watford 0-2 Norwich
Second change for Watford.
The impressive Hassane Kamara is taken off, on comes Ken Sema.
Watford 0-2 Norwich
By the way, Josh Sargent had never scored in 18 previous Premier League appearances.
He has managed to bag two tonight. Can he complete a famous hat-trick?
Watford 0-2 Norwich
Norwich need to keep their heads at the back.
There is a mix-up between the defenders and goalkeeper Angus Gunn, who comes and stays and decides to come again, but it allows Cuco Hernandez to nip in with a header which is cleared off the line.
Watford 0-2 Norwich
Norwich looking for a third to put the icing on Delia's cake but Grant Hanley heads wide at the far post.
VAR has a look at a possible foul on Ben Gibson but advises Mike Dean to continue.
Watford 0-2 Norwich
Emmanuel Dennis, who has eight goals this season, will miss the crucial relegation clash against Burnley on 5 February.