Watch live: Obama unveils new transparency measures after NSA controversy

WASHINGTON (Reuters) - U.S. President Barack Obama will unveil new measures on Friday to increase transparency and build public trust in controversial government surveillance programs, a senior administration official said on Friday.

Obama is scheduled to give a press conference at 3:00 p.m. eastern time (1900 GMT) from the White House.

(Reporting by Jeff Mason and Steve Holland; Editing by Eric Walsh)

Watch live broadcast on NBC News on Aug. 9.