The Arizona Cardinals took a 10-3 lead into halftime in their game against the Pittsburgh Steelers. They had to wait to play in the second half.
It started raining at the end of the half and fans were instructed to take cover in the concourses as the National Weather Service expected lightning and gusting winds.
Fans watching on television in Arizona saw the television broadcast go to the game between the Denver Broncos and Houston Texans.
They resumed play after about a 45-minute delay.
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