Top headlines: UK’s May has eye on rebellion as EU prepares for Brexit push, Acrimonious Pacific summit underscores China-US tensions, Democratic senators sue over Whitaker’s appointment as AG

Pacific Rim leaders at a key Asian summit failed to reach agreement on a joint declaration on world trade for the first time in nearly three decades, highlighting the growing tensions between China and the U.S.

Three Senate Democrats filed a lawsuit Monday arguing that Acting Attorney General Matthew Whitaker’s appointment is unconstitutional and asking a federal judge to remove him.

The U.K. and the European Union plowed ahead Monday with plans to have their divorce deal signed, sealed and delivered within days as British Prime Minister Theresa May waited to see whether rebel lawmakers opposed to the agreement had the numbers to challenge her leadership.