Initially Harry considered trying to run it off, but after consulting with the Spurs physio eventually walked down the tunnel.
"Yes we are concerned because we still don't know what's going to happen with him", Pochettino told the BBC.
"We need to wait because we will scan his ankle".
The result boosts the White Hart Lane outfit's chances of getting a Champions League spot next season, putting them into third and five points clear of Chelsea in fifth.
Dele Alli equalized, before Son Heung-min struck twice and Serge Aurier nodded in to show Tottenham is far more than the "Harry Kane team", as it was described by Manchester City boss Pep Guardiola earlier this season.
Spurs equalised through Dele Alli shortly afterwards.
6N: England loses to France 22-16 and relinquishes title
To make sure it goes down to the last weekend, England need a bonus-point win over Paris in this evening's fixture. Murray shaped to go one way, went the other and, although Scotland got bodies back, he still found a way through.
Waymo's self-driving trucks will start delivering freight in Atlanta
There, the trailers are hitched onto self-driving trucks for long highway hauls, according to the San Francisco-based company. Uber has been testing self-driving truck technology since 2016, and began using autonomous rigs for hauls late a year ago .
Chelsea edge Crystal Palace to get back to winning ways
When you play against City there is the possibility to lose the game. "(But) our confidence is normal". After the training session he passed out briefly in the dressing room.
"He was happy for the victory and then when you score it's a massive moment for the players".
The loss of England global Kane, Tottenham's top scorer, who went off with an ankle injury on the half-hour, took some of the gloss off a hard-won comeback victory with the visitors slightly flattered by two late goals.
"I think he is having a fantastic season, the best season since he arrived".
He volleyed in Alli's cross at the back post in the 62nd, before displaying his composure by rounding Begovic to seal three points in the 87th.
"It was so hard for me to see from my position, you need to trust the referee, sometimes it is for you and sometimes against you", he said.