Explosion and fireball seen as storm sweeps through Tennessee - BBC News

Tornadoes battering Tennessee leave thousands of people without power.

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CloseA funnel cloud moving over Madison, a suburb in Tennessee, caused electrical flashes and a small explosion seen in a video shared on social media.

Parts of Tennessee were hit by tornadoes and severe storms on Saturday, and at least six people died as a result.

Buildings were reduced to rubble and communities were plunged into blackouts in the southern US state.

A funnel cloud differs from a tornado in that it doesn't touch the ground. The weather phenomenon has also been described as a "baby tornado beginning to form but never quite getting there", according to BBC meteorologist David Braine.

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