The explosion caused jitters among fans arriving for the match and on the internet, but police played down the event, saying it was just a regular check on a car parked in a prohibited place.
Many streets were closed around the stadium because of the Euro 2016 competition.
"These checks happen regularly in Paris," a police spokeswoman said. "They did not blow up the entire car."
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(Reporting by Sybille de La Hamaide; Editing by Ros Russell)
