Teenager arrested after stabbing at Manchester McDonald's
Greater Manchester Police said officers called to a McDonald's in Harphurhey Shopping Centre, Rochdale Road at around 2.35pm on Wednesday.
Onlooker Damilola Soyoye claimed a young man with a "massive knife full of blood" had entered the branch.
She added: "Everyone was screaming in McDonald's... there's like 5 police cars & 3 ambulance around McDonald's & Manchester college!"
Images posted on social media appeared to show blood spattered on the floor of the restaurant.
A teenage boy was arrested on suspicion of section 18 assault.
"Initial inquiries suggest that several people have been injured," the force said in a statement.
"A teenage boy has been arrested on suspicion of section 18 assault and has been taken into custody for questioning."
Police said inquiries were ongoing but the incident was not being linked to terrorism.