The ambulance came, and they helped the man. He went to the hospital, but another man was also hurt. The police found him in the same area with stab wounds.

The man who was hurt very badly died at the scene.

The other man is in the hospital, and now he is under arrest for murder.

Detective Chief Inspector Sarah Lee is in charge of the case. She said the police and ambulance worked together to help the victim.

The police are working fast to solve the case. People in Crystal Palace will see many police officers today.

There are many police scenes in the area. If you know something, please tell the police.

If you have information, you can call the police at 101 or tell them anonymously at 0800 555 111.