A south-east London man was arrested this morning on suspicion of war crimes during the Liberian civil wars.
Police said they arrested the 45-year-old man this morning at around 7.20am. He has been taken into custody at a central London police station.
The alleged crimes are said to relate to the first and second Liberian Civil Wars between 1989 and 2003.
Officers did not say exactly where the arrest took place, but confirmed they were searching a property in south-east London in connection with the investigation.
The arrest has taken place under Section 51 of the International Criminal Court Act 2001.
The first Liberian Civil War took place between 1989 and 1997, and 250,000 people are thought to have been killed in the conflict.
The second, which began in 1999, lasted until 2003, and claimed the lives of between 150,000 and 300,000 people.