The vice president will stay in Washington, D.C., where he could be called upon to cast a tie-breaking Senate vote to pass the GOP tax bill.
Trump fired Flynn only 24 days into his tenure as national security advisor.
On Friday, House and Senate Republicans plan to nail down and release final, joint tax legislation.
Asian indexes finished mostly lower on Friday as investors turned their attention to uncertainty around U.S. tax reform.
Vice President Mike Pence is delaying his Middle East trip as Senate Republicans push to pass their tax plan.
Republicans do not expect to need Pence's vote, but he wants to see the legislation through its passage, NBC News reported.
Doug Jones, the apparent winner of Alabama's Senate election, has signaled that he would oppose the GOP tax plan.
The election pits Republican ex-Judge Roy Moore against Democratic former federal prosecutor Doug Jones.
A series of tweets by U.S. President Donald Trump about the investigation into contacts between his 2016 campaign and Russia prompted concerns on Sunday among both Democratic and Republican lawmakers.
A Senate tax bill includes repeal of the rule requiring most people to have some form of health insurance or pay a fine.
Holdout Sen. Bob Corker says he thinks the GOP can approve it even without his vote.
Sens. Johnson and Daines reach an agreement with the GOP leadership to raise the amount of pass-through income business owners can deduct.
Senate Majority Leader Mitch McConnell said the next in a series of roll call votes is set for Friday morning.
The Republican drive to push sweeping tax legislation through the U.S. Senate was hurtling on Thursday toward a dramatic conclusion.
The move could be a sign that Flynn is cooperating with Mueller, or negotiating an agreement.
Michael Flynn's lawyers told lawyers for the president that they could no longer discuss the special counsel's probe.
Treasury Secretary Steven Mnuchin makes a pitch to owners of small and medium-sized businesses to support the Republican tax cut efforts.
The Koch brothers are said to have tentatively agreed to support the publisher Meredith’s offer with an equity injection of more than $500 million.
Trump has bad-mouthed Obamacare for years, but has been unable to win its repeal and replacement from Congress.
Japan's Finance Minister said Tuesday the country would not enter a bilateral free trade agreement with the U.S.