With 100 percent of precincts reporting, Trump leads Cruz by 0.2 percent, and the two are separated by about 1,700 votes.On the Democratic side, Clinton also leads Sanders by 0.2 percent, and they are separated by about 1,500 votes.
Stephanie Fleming, spokeswoman for the Missouri Secretary of State's office said the state still has to count military and oversees absentee ballots, as well as provisional ballots. Those military and overseas absentee ballotst have until noon on Friday to arrive to be counted.
Under Missouri law, candidates can ask for a recount if they are defeated by less than half of 1 percent.
So far, according to The Associated Press delegate tracker, Trump has been awarded 15 delegates of Missouri’s 52 total delegates. Cruz has yet to receive any.Clinton has been awarded 43 of the 84 total delegates, while Sanders has received 32.
According to The Washington Post, a Sanders campaign adviser said the Vermont senator will meet with top staffers later in the day to discuss the Missouri primary results.
"As of now, there are no plans to challenge anything," the adviser told the Post.
--Updated at 6:05 p.m.