Supreme Court justice's cellphone rings during oral arguments
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Supreme Court oral arguments got an unusual interruption Tuesday morning when Supreme Court Justice Stephen Breyer's cellphone rang.

The unwanted interruption came at the start of Tuesday's arguments, according to multiple reports. 

A Washington Post reporter referred to Breyer as "red-faced" after the ring, while a Wall Street Journal reporter tweeted that there were "a lot of giggles" on the Supreme Court bench.

Visitors to the Supreme Court are typically prohibited from bringing phones, cameras and other electronic devices into the courtroom when the court is in session.

It's not clear if justices are subjected to those same rules, however.