Those watching the broadcast of World Series Game between the Mets and Royals on Tuesday night (NYM-KC GameTracker) saw this in the middle of the fourth inning:

(Image: @EricFisherSBJ)

After a couple of minutes, the broadcast switched back to the Fox MLB studio, where they said that they had lost power to a production truck. While that was going on, Matt Harvey struck out Kendrys Morales, but no one saw except for those who were at Kauffman Stadium.

Finally, Fox picked up the international broadcast helmed by Matt Vasgersian of MLB Network, and viewers saw Joe Torre and other MLB officials discussing matters with umpires and the managers of each team. The game was in delay. 

As it turned out, the delay was because the replay cameras were also offline and this meant that back in New York replay officials weren't getting the video they needed to conduct reviews. Play resumed once each team apparently agreed to move forward without the use of replay. 

Soon thereafter, though, MLB announced that replay capabilities had been restored. In the fifth inning, the broadcast switched back to the Fox national team helmed by Joe Buck. 

In the late innings of Game 1, Fox released the following statement: