Fernando Torres suffered concussion against Deportivo La Coruna. Sonia Canada/Getty Images

Atletico Madrid striker Fernando Torres is back in training after a head injury scare at Deportivo La Coruna last Thursday.

Torres, 32, was taken to hospital after suffering concussion in a collision with Depor's Alex Bergantinos and spent a night under observation. He was discharged on Friday.

Torres watched Sunday's home win over Valencia from the stands and received a standing ovation from the crowd, while a banner read: "The Calderon loves you -- strength, Torres!"

On Tuesday, the former Liverpool and Chelsea player was back at Atletico's training ground, although no date has been given for his return to action.

Atletico wrote on twitter that Torres had worked both in the gym and on the training pitch.

.@Torres has worked in the gym and later on the pitch apart from the group #GoAtleti pic.twitter.com/756NZmAvJM - Atlético de Madrid (@atletienglish) March 7, 2017

Radio show El Larguero reported that results from all medical tests and scans so far had been positive, but that it would be a few weeks before Torres was able to return to competitive action.