Thai police officers inspect a bomb blast scene after a grenade injured anti-government protesters during a mass march as part of the fifth day of the ‘Bangkok Shutdown’ rally in central Bangkok, Thailand, 17 January 2014. The explosive device was thrown into the midst of a march in central Bangkok injured at least 28 protesters participating in the anti-government Bangkok Shutdown campaign being led by Suthep Thaugsuban, who has been holding street protests in the capital since early November 2013. EPA/RUNGROJ YONGRIT