A top Democratic lawmaker is expected to ask the Federal Communications Commission on Friday to delay voting on a controversial auction of radio spectrum, which includes a requirement for free Internet services, said a source following the issue in Washington.

M2Z Networks' proposal to build a free wireless broadband network is not the only controversial part of its business plan. Just as contentious is its intention to filter the content delivered over that network to block any material deemed inappropriate for children.

Google Inc. denied that it had reversed its stance on the issue of "Net neutrality" and dismissed a story in Monday's edition of The Wall Street Journal on the subject as "confused."