TikTok has finalised a deal to keep operating in the US, securing its future in the country after it faced the threat of a nationwide ban.The popular video-sharing app has established a new majority American-owned joint venture that it says will "operate under defined safeguards that protect national security".

TikTok has finalised a deal to keep operating in the US, securing its future in the country after it faced the threat of a nationwide ban.The popular video-sharing app has established a new majority American-owned joint venture that it says will "operate under defined safeguards that protect national security".