A commuter train is seen crashed into a railway buffer in Barcelona's Francia station, Spain July 28, 2017 in this still image from a video obtained from social media. [Photo/Agencies]

The Catalan regional emergency services said 48 people were treated and 18 taken to city hospitals, five of them in serious condition, following the accident Friday at Francia station on the northern side of the city.

Television images showed many passengers being tended to on the ground in the station.

The train driver was among those seriously injured.

The train had left the southern coastal town of Sant Vicenc de Calders and arrived at Francia station at 7.15 am (0515 GMT).

AP