Rajesh Mirchandani
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US mid-term results: 'A very good night for Republicans'

The Republicans have won control of the Senate in the US mid-term elections, increasing their power in the final two years of Barack Obama's presidency.

The party won in Arkansas, Colorado, Iowa, Montana, North Carolina, South Dakota and West Virginia.

And it is expected to post more gains as votes are counted in other states.

Rajesh Mirchandani explains the results.

Go to next video: What does it mean for Congress?