Boro boss Jonathan Woodgate's hopes of claiming a Premier League scalp against one of his former teams were dented as Lucas headed Spurs back on terms 11 minutes later, but the Championship club's supporters will not begrudge him a grand day out at Tottenham Hotspur Stadium in the replay.
"Our medical staff will continue to review the injury with treatment ongoing". I think we're going to lose him for some period and because I am totally convinced of that I can anticipate that I don't want to be here with you crying in every press conference now.
Christian Eriksen kept his place in the Tottenham team amid reports linking him with a transfer to Inter and he went close to scoring after seven minutes, his shot from 20 yards hitting Boro keeper Tomas Mejias in the chest.
Kane has been injury-free this season but had two lengthy lay-offs last season with ankle ligament injuries.
United Nations chief expresses deep concern over North Korea's nuclear program
Tensions between the USA and North Korea have ratcheted up in recent months following the collapse of talks in February in Hanoi. © Doug Mills/The New York Times North Korea's leader, Kim Jong-un, declared a halt to all nuclear and ICBM tests in April 2018.
Kane subsequently tweeted: "Heads up".
Another spell without Kane will be a major blow to Tottenham who are struggling to stay in the hunt for the top four having fallen six points behind fourth-placed Chelsea.
"Of course, everybody knows the importance of Harry in the squad".
Tottenham will be without the injured Hugo Lloris, Danny Rose, Tanguy Ndombele and Ben Davies for the FA Cup clash this afternoon.
While Spurs are short of attacking options with Kane nursing a hamstring problem that is set to keep him out for an extended period, Parrott is not likely to be the answer for Mourinho.