THREE terrorists drove a van into pedestrians at 50mph on London Bridge before attacking revellers with hunting knives.
Up to seven people were feared dead and 20 hurt in the 10pm attack – amid a second ‘attack’ at nearby Borough Market which armed police are responding to.
The Metropolitan Police have confirmed a third incident in the Vauxhall area after tweeting “you must run, hide and tell.”
Shots have been fired in the London Bridge area as armed cops were believed to have shot dead two of the men, with a search underway for the third man.
Terrified people have fled while one officer is said to have been “seriously injured” as “multiple” casualties have been confirmed by British Transport Police.
Eye witnesses confirm that several bodies are “strewn on the ground” and people are receiving CPR after being randomly stabbed by “two to three men armed 12 inch long knives.”
A bomb squad has reportedly arrived on the scene.
People run in panic near London Bridge following serious incidentMagicmomentsUK
Armed police are pictured helping a victim who is being stretchered into an ambulanceOfficers are pictured treating a wounded victim after the attack in London Bridge@jo55adams
The white van believed to be responsible for the 'attack' surrounded by multiple police vehiclesInjured bystander treated by emergency services following London Bridge incident@benleo89 /Twitter
Terrified people can be seen being lying on the ground near Borough Market in London BridgePeople locked inside of the Shard during London Bridge incidentSeveral gun shots have been fired amid the ensuing chaos.
A Sun journalist at the scene tweeted that he saw one man being led away by police in cuffs.
The white van which reportedly crashed into pedestrians was said to be travelling at around 50mph.
A cab driver told The Sun that he was stuck at traffic lights when he saw a transit van smash into London Bridge.
He heard gunshots and says a police was hurt.
Casualties were seen being taken away from Tito’s restaurant on London Bridge Street with blood on the steps of the eatery.
In horrifying footage taken from the scene, police can be heard shouting "clear the area, now" while screaming people can be seen running in fear for their lives.
Man carried by emergency services following incident at London BridgeOne terrified woman said she was at a restaurant and police swarmed on the area.
She said police were firing weapons. "We had to run," "There was loads of shooting."
Officers were seen dragging startled diners and revellers out of restaurants and bars and telling them to run.
A witness named Martin said: "There's been about eight of them stabbed. I ran up to see if they were all right but people were already with them. I was bloody terrified
"I thought is that real? If we had of been on the other side of the road, it could have been us."
A number of trains stations have been closed in the capital including London Bridge, Waterloo East, London Charing Cross and London Cannon Street.
A Downing Street spokesman said: "The Prime Minister is in contact with officials and is being regularly updated on the incident at London Bridge."
An eye-witness who was standing with his wife at the entrance of London Bridge underground station described the attacker and how he "coldly" attacked a man.
"We saw people running away and then I saw a man with quite a large blade, at least 10-inches, stabbing a man three times.
"He was stabbing him quite coldly, and then the victim slumped to the ground."
Describing the attacker, he said: "I think he was black, dark-skinned, red tracksuit on, with a red hoodie.
"He walked quite boldly along with another guy in the direction of the Southwark Tavern pub.
"Glass bottles and tables were thrown at them, and then we heard gunshots."
Desperate bystanders are pictured running from the sceneAn aerial view of the scene at London BridgeFor the latest news on this story keep checking back at Sun Online, where we will bring you live updates as soon as they happen, before anyone else.
Like us on Facebook at www.facebook.com/thesun, and follow us from our main Twitter account at @TheSun, where we will bring you this story and all the rest of the top news and exclusives of the day.
Thesun.co.uk is your go to destination for the best celebrity news, football news, real-life stories, jaw-dropping pictures and must-see video