US: Gunman kills four in Nashville Waffle House

Months before the man suspected of killing four people in the US state of Tennessee on Sunday became the target of a manhunt, authorities arrested him for trying to breach a barrier near the White House.

    Police are searching for a gunman who shot and killed four people in the US state of Tennessee.

    The man who opened fired in a Nashville restaurant on Sunday, was arrested outside the White House last year.

    Al Jazeera's Scheherazade Gaffoor reports.


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