Four takeaways from the U.S. midterm elections

Democrats were enjoying a stronger-than-expected showing in the U.S. midterm elections early on Wednesday, as it appeared the party was limiting its losses in the U.S. House of Representatives and capturing important governors' races.

But as votes were still being counted in several states, there remained the possibility that Republicans could end up with control of both the House and the U.S. Senate.

Here are some takeaways from the election so far:

FETTERMAN HAS THE UPPER HAND

Democrat John Fetterman's hard-fought victory over Republican Mehmet Oz gives Democrats another seat in a Senate currently split 50-50, meaning Republicans must win at least two seats of the three outstanding Senate races in Georgia, Arizona and Nevada to take control of the chamber.