Grimsby shocked Northampton, Kidderminster eased past Newport while Peterborough smashed Tranmere
Peterborough live updates
Moses Odubajo's goal earned Leyton Orient a 1-1 draw at Peterborough in the first leg of their Sky Bet League One play-off semi-final, after Britt Assombalonga's 33rd goal of the season gave Posh the lead going into half-time at London Road.
Peterborough have completed the loan signing of Cardiff defender Ben Nugent.
The 20-year-old has been training with Posh this week and, after completing the necessary paperwork and receiving international clearance, goes straight into Darren Ferguson's squad for Friday's night's clash with Walsall.
Conference side Kidderminster will take on Premier League Sunderland in the FA Cup fourth round after they claimed a 3-2 win over Peterborough in their replay at London Road.
Tommy Rowe gave Posh a first-half lead but two goals in four minutes after the break from Michael Gash and Jack Byrne turned the game on its head.
A Britt Assombalonga penalty levelled the scores with 16 minutes to go but parity lasted just two minutes as Joe Lolley grabbed a third for Harriers, who are now the only non-league side left in the competition.
West Ham confirmed they will be signing Peterborough United forward Jaanai Gordon on January 1st.
The teenage striker has been on trial at Upton Park, impressing Sam Allardyce and his staff sufficient to earn a permanent move.
A Coventry fan shows off a Christmas tree onesie before his team's 4-2 win over Peterborough on Sunday.
Guess the Ground? Tweet your guesses to @itvfootball – we'll reveal the answer tomorrow.
A. London Road, home to Peterborough.