At least three people have died and 15 are injured after a knife attack on Monday evening in a Walmart supermarket in Shanghai, China.A 37-year-old man surnamed Lin was arrested at the scene as police responded to reports of a knife attack,

At least three people have been killed and 15 others were injured after a man went on a knife rampage inside a Shanghai Walmart on Monday night. Police in the Chinese city said they had arrested a 37-year-old man surnamed Lin at the scene, saying he had come to Shanghai to “vent his anger” at his personal economic circumstances.