MLB

Wrigley Field cleared out by security over reported bomb threat

CHICAGO, IL - JULY 26: A general view of Wrigley Field as the Chicago Cubs take on the Philadelphia Phillies on July 26, 2015 in Chicago, Illinois. The Phillies defeated the Cubs 11-5. (Photo by Jonathan Daniel/Getty Images)

CHICAGO, IL - JULY 26: A general view of Wrigley Field as the Chicago Cubs take on the Philadelphia Phillies on July 26, 2015 in Chicago, Illinois. The Phillies defeated the Cubs 11-5. (Photo by Jonathan Daniel/Getty Images)

CHICAGO -- Police are sweeping through Wrigley Field with dogs after officials ordered everyone to leave the iconic ballpark.

Chicago Police spokesman Thomas Sweeney says the department received a telephone threat Sunday that prompted officers to investigate. He declined to provide further details about the nature of the threat.

Security told the media to leave the press box right after the Cubs' 2-0 victory over the Giants, but declined to provide a reason.

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A reporter on the scene said an official had confirmed the cause was a bomb threat:

Police were seen going through the ballpark. Authorities also redirected traffic away from a street that runs behind Wrigley.

Some images from the scene:

The Associated Press contributed to this report.