Thai military threatens to quell protests

BANGKOK, THAILAND - MAY 15: Protesters and bystanders gather at the scene of a deadly drive-by attack on an anti-government rally site at the landmark Democracy Monument on May 15, 2014 in Bangkok, Thailand. Unidentified assailants on a pick-up truck attacked the protest site overnight with a grenade and gunfire, killing three protesters and wounding over 20. The attack came amid fears of violence between rival pro and anti-government groups in Thailand's ongoing political turmoil. (Photo by Rufus Cox/Getty Images)

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    Thai military threatens to quell protests

Violent protests that left three people dead may force Thailand's military to get involved. Saima Mohsin reports.