A 15-year-old girl was stabbed to death in Croydon, south London today. The police quickly arrested the teenager after the girl's murder. The Mayor of London, Sadiq Khan, expressed deep sadness over this case and called for witnesses to come forward.

The attack happened near Whitgift Shopping Center on Wellesley Road. Police and emergency services quickly arrived at the scene. Witnesses described how the bus driver and a woman tried to resuscitate the girl on the sidewalk.

Sadly, the girl died at the scene around 9am.

The teenager was arrested immediately after the girl's death, and a murder investigation was launched. Police believe the suspect may have known the victim, but it is not yet known if he is a suspect in the murder.

The Mayor of London, Sadiq Khan, said he was "absolutely devastated" by the killing and vowed to do everything he could to curb the epidemic of knife attacks in London. "I promise to work round the clock to end this scourge of attacks in our city," Khan said.

Residents of Croydon have expressed concern and outrage over this event. "This is absolutely disgusting and is happening more and more often in this area. The police should intervene," said Georgina Slater, a resident of Croydon.

Croydon Mayor Jason Perry said he was "devastated at the news that a teenage girl who was stabbed in the town center this morning has tragically died". He added that the local administration will be fully involved in the police investigation and expressed his condolences to the victim's family.