DUBAI – The administration of U.S. President Donald Trump backs a nuclear energy pact with Saudi Arabia allowing Riyadh to ⁠enrich uranium and process spent atomic fuel, a move that worries some U.S. lawmakers and regional states concerned about weapons proliferation.

Here are some of the main issues at play:

Washington and Riyadh have for years been discussing a nuclear cooperation deal that would give Saudi Arabia access to U.S. technology and American companies a chance to win big contracts for Saudi atomic energy facilities.