Police have arrested a man wanted in connection with a murder in Streatham.
The body of Anastasia Voykina, 23, was discovered in a flat in James Boswell Close, at around 2am yesterday.
Police said Miss Voykina last spoke to her family on December 30, and it is believed to be the last known contact with her.
A post-mortem gave the Russian national's cause of death as multiple fractures to the face, head and neck caused by blunt trauma.
Police said they wanted to speak to Miss Voykina's boyfriend Felipe Lopes in connection with her death.
The 27-year-old was arrested on suspicion of murder in Bromley at 2.30am this morning.
He remains in custody at a south London police station.