A man fatally injured in an altercation in Southwark Street in the early hours of Sunday morning has been named as 22-year-old Erik Patricio Rosero Yepez.
Detectives investigating Erik's murder on Sunday morning have charged two people and arrested a further two.
Galo Vargas Bemudez, 22, of N17 and Angel Campoverde, also 22, of SW4 appeared in custody by virtual court at Sutton Magistrates' Court on Wednesday charged with murder.
On Tuesday night two more people were arrested in connection with the investigation. The two men, both in their twenties, are currently in custody at a south London police station.
Detectives are continuing to appeal for witnesses and information. Anyone who can assist police is asked to contact the incident room on 020 8721 4054 or Crimestoppers anonymously on 0800 555 111.
Non-English speakers can speak to a translator by calling 0300 123 1212.