Kumar Lama, 46, was arrested at an address in St Leonards-on-Sea, East Sussex on Thursday. Metropolitan Police confirmed this evening that he has been charged with two counts of torture relating to the Nepal Civil War in 2005.
The BBC quotes Nepal's foreign minister Narayan Kaji Shrestha as saying "We express strong objection to this mistake and urge that it be corrected."
More top news
You can't say the 130 Brexit Tory MPs who forced Cameron to have this referendum haven't had an impact on political life, writes Chris Ship.
Foreign Secretary Philip Hammond said there will have to be a "trade-off" on access to the EU single market and migration controls.
A man arrested on suspicion of murdering Melanie Hall 20 years ago has been released on police bail. She disappeared in Bath in 1996.