U.S. President Trump arrives in Saudi Arabia - TV

RIYADH, May 20 (Reuters) - U.S. President Donald Trump arrived in Saudi Arabia on Saturday, Saudi state television footage showed, the first stop on his maiden international trip since taking office in January.

Saudi and Arab news channels showed footage of Trump's plane arriving in the Saudi capital Riyadh.

Top regional ally Saudi Arabia has said the trip will conclude political and commercial agreements and will help bolster the joint fight against Islamist militants. (Reporting by Sylvia Westall, editing by Louise Heavens)