House Intelligence Committee Chairman Devin Nunes told reporters on Wednesday he was "alarmed" by news from "sources" of possible surveillance collected on the Trump transition team.

What we know: Nunes told reporters he had learned of "legally collected foreign intelligence" that isn't related to Russia, and may have been picked up via "incidental collection." Nunes has briefed Speaker Paul Ryan, and is visiting the White House today.

What we don't know: Who gave the information to Nunes, what it showed, precisely who was targeted for the surveillance, or whether this contradicts testimony delivered Monday by FBI Director James Comey, who said there was "no information" supporting Trump's tweets claiming he was "wiretapped" by Obama.

When directly asked by Bloomberg columnist Eli Lake whether the Obama administration was spying on the Trump transition, Nunes replied: