Luton pulled one back on the half-hour mark when Chelsea keeper Kepa Arrizabalaga failed to keep out Jordan Clark's low effort which squeezed between his hand and leg into the net.
Images from the European football played over the weekend
Chelsea beat Fulham 3-1 to open a four-point lead at the top of the Premier League on Saturday while Newcastle United's 4-1 win was marred by manager Alan Pardew's dismissal for head-butting Hull City's David Meyler.
Smith, who developed a reputation for playing exciting, attacking football at Brentford, is a Villa fan and will replace Steve Bruce, who was sacked last week following the second tier side's dismal start to the season.
Leicester pushed forward after the interval but were caught out on the break in the 64th minute when Ritchie's pass released Wilson who coolly rounded Schmeichel before sliding home.
Aston Villa have terminated the contract of manager Steve Bruce following a dismal start to the season, the English Championship club said on Wednesday.
Liverpool manager Rafael Benitez reckons that Liverpool's Champions League dream is now in ruins after Sunday's draw against Fulham.
Bayern Munich wasted a two-goal lead and needed a lucky 82nd- minute winner from Joshua Kimmich to beat Borussia Dortmund 3-2 in Germany's Super Cup on Wednesday and secure their fifth title of the year.
News of all that's transpired on and off the football field
The following are talking points from the weekend's Premier League action:
IMAGES from the EPL matches played on Wednesday
The Portuguese has endured a difficult time of late at Old Trafford with United slipping to eighth place in the league.
Tottenham Hotspur have shown impressive durability in the Premier League lately, but they will need to be at their most steadfast to deny champions and league leaders Manchester City who travel to Wembley on Monday.
Goals from Freddie Hinds, Bobby Reid and Niclas Eliasson put the visitors through to the third round. Watford finished with 10 men after Jose Holebas was sent off.
Jota's header earned the three points but it was a struggle in the rain for Juergen Klopp's side who looked uneasy at the back without the injured Virgil van Dijk.
News of all that's transpired on and off the football field
Middlesbrough were rewarded for beating Manchester City with a trip to FA Cup holders Arsenal while Chelsea's conquerors Bradford City host Sunderland or Fulham after the fifth round draw on Monday.
From a fan getting 'cheeky' with Cristiano Ronaldo to Nelson Mandela's message at a Serie A game, all this and more spectacular pictures snapped right here on Rediff.com. Check it out...
Former Everton, Manchester United and Sunderland manager Moyes, who replaced the sacked Slaven Bilic, has a track record of turning to a good old-fashioned No. 9 to grind out results.
Former Liverpool and Norway left back John Arne Riise has decided to call time on his career, the player confirmed in a blog post on his official website on Monday. The 35-year-old Riise spent seven years at Liverpool, making more than 250 appearances and winning the Champions League, the FA Cup and the League Cup during his spell on Merseyside.
A summary of Saturday's matches in the English Premier League.
Manchester City returned to the Premier League summit for the first time since January with a 3-2 win at Everton on Saturday that left them six points from a second title in three seasons.
Jubilant fans thronged central Belgrade, bringing traffic at the main Republic Square to a halt as they waved Serbian flags and hooted their car horns.
Images from Monday's action in the Premier League.
IMAGES from the English Premier League matches played on Sunday.
Lionel Messi came off the bench to inspire Barcelona to a 3-1 win over a dogged Leganes side on Sunday, creating one goal and scoring another to keep the Catalans five points clear at the top of La Liga.
Liverpool scored twice in the last nine minutes to beat Fulham 2-0 to move up to fourth in the Premier League on Saturday.
England skipper John Terry went off with a depressed fracture of his cheekbone, Didier Drogba was sent off and Chelsea were booed off after they were held to a 0-0 draw by Fulham in the west London derby on Saturday.
Two bad results do not make a crisis but Chelsea must break with the past and change their style of play to get back on top in the Premier League and Europe, manager Jose Mourinho said on Friday.
Liverpool continued their perfect start to the season to stay top of the Premier League after a goal in each half gave them a 2-1 victory over Tottenham Hotspur at Wembley on Saturday.
Arsenal scored twice in the last six minutes to secure a 3-1 home victory over Fulham that left their London rivals deep in relegation danger.
Inter will be his sixth club in a career which began when he made his debut for Anderlecht as a 16-year-old and has taken him to Chelsea, West Bromwich Albion and Everton.
Tottenham Hotspur to a 4-0 win at Fulham while Manchester City beat Preston 3-1 to reach the FA Cup quarter-finals.
Tottenham Hotspur climbed to third with a 3-1 win over Southampton while Chelsea hung on to fourth spot, above Arsenal on goal difference, despite a 2-1 defeat at Wolverhampton Wanderers.
Images from Sunday's action in the Premier League.
The victory puts the pressure back on title rivals Liverpool who are at Cardiff City on Sunday and trail by a point with each side having played 34 games.
Tottenham Hotspur's American international forward Clint Dempsey has returned home to the United States to play Major League Soccer (MLS).
Images from the English Premier League matches played on Sunday.
Manchester City displayed champions' swagger as they roared clear at the top with a 5-0 trouncing of Burnley but it was drama which engulfed their neighbours Manchester United and Jose Mourinho that dominated the Premier League agenda on Saturday.
Reigning champions Manchester City took the lead after 24 seconds but suffered a shock 2-1 defeat at Newcastle United.