Two minutes to the end of the game, the Foxes doubled their lead as the Nigeria international belted the ball into the roof of the net.
Browsing: Millwall
Winger Lookman, who grew up in nearby Peckham, marked his full Foxes debut with the opening goal shortly after half-time.
The Reds winger netted from the edge of the box in spectacular fashion in both halves, to cancel out a fine strike from Rhian Brewster and a controversial penalty by Andre Ayew.
Queens Park Rangers attacking midfielder Ebere Eze has revealed how he ended up at the club after a string of rejection from clubs.
There were 54 places between the two teams at kick-off, in their first meeting since 1985, and the Lions were the better side throughout, despite the visitors’ spirited start to the second half.
39-year-old Cahill – who also played in USA, China and Australia – is currently with Indian Super League side Jamshedpur, but his contract expires at the end of the month.
Brighton and Hove Albion reached the semi-finals of the English FA Cup on Sunday, beating Championship side Millwall 5-4 in a penalty shoot-out.
United will head back to London after beating Arsenal in the fourth round on Friday in another tough draw
The English Football Association said on Sunday it would investigate alleged racist chanting by some Millwall supporters during their 3-2 FA Cup victory over Everton a day earlier.
Manchester United will travel to either Huddersfield Town or Birmingham City, while Tottenham Hotspur or Newport County have been given an away game at either Millwall or Rochdale.
Akpom will join Iwobi in a new generation of English-born or English-raised Nigerian players
The Lions were reduced to 10 men after the break when Jake Cooper committed a second bookable offence, but the third-tier outfit were quick to regroup and they held firm to punish the wasteful Foxes at the death
Shittu’s current deal expires next summer but his representatives are in negotiations with the lower championship side and the 32-year-old has made it clear that he wants to remain at The Den
In a game of few chances, the Nigerian international rose to secure a place at Wembley from a Chris Taylor corner