The House of Representatives has voted against extending Section 702 of the Foreign Intelligence Surveillance Act, putting one of the U.S. government's most important intelligence programs on the verge of expiration.

A US surveillance law that allows federal authorities to collect the communications of foreigners abroad and search them for Americans’ data without a

Senate Democrats and seven Republicans voted 47-52 to block FISA Section 702 extension ahead of its June 12 expiration, demanding warrant reforms.

Democrats are refusing to back an extension of Section 702.