A teenager has been released without charge after another boy was stabbed at a McDonald's.

Police were called to the fast food restaurant in Gravesend town centre at around 11pm on Friday.

WATCH: Air ambulance seen leaving Gravesend Promenade

A 19-year-old received treatment for stab wounds at the branch in New Road.

He was also reported to have had an unknown substance thrown at him.

He was taken to a London hospital where he is in a serious but stable condition.

An 18-year-old man from Dartford was arrested a short time after in Saddington Street on suspicion of casing grievous bodily harm.

He has now been released without charge.

What is believed to be a police helicopter was also seen over the town.

Officers are carrying out an investigation and are looking to identify the substance thrown at the victim,

Witnesses or anyone with information is urged to call the appeal line on 01474 366149 quoting reference 46/242068/19.

Alternatively call the independent charity Crimestoppers in Kent anonymously on 0800 555111.

To get the latest updates in ongoing cases, police appeals and criminals put behind bars, click here.

Read more: All the latest news from Gravesend