WASHINGTON (Reuters) - U.S. President Donald Trump on Tuesday called for the creation of "more, and fairer" social media companies in response to discrimination he said he faced as a Republican from Twitter Inc.

He also cheered the involvement of U.S. lawmakers, who have called the heads of several technology companies to testify in connection to various scandals: "No wonder Congress wants to get involved - and they should," he wrote on Twitter.

(Reporting by Makini Brice and Susan Heavey)