U.S. Markets open in 3 hrs 46 mins

U.S. lawmakers worry Hong Kong rules could leak high tech to China

WASHINGTON, Sept 10 (Reuters) - Senior U.S. senators asked President Donald Trump's administration on Tuesday to assess U.S. export controls with regard to Hong Kong, expressing concern China could acquire sensitive technologies because of the city's special treatment under U.S. law.

The Republican and Democratic lawmakers also expressed concern about the use of crowd control equipment against protesters.

(Reporting by Patricia Zengerle Editing by Chris Reese)