In a coordinated joint operation by the elite anti-Naxal strike force of Andhra Pradesh, the Greyhounds and the Special Operation Group (SOG) of Odisha, 24 members of the banned CPI (Maoist) including a few top leaders, were shot dead in Malkangiri district of Odisha. 

What is Greyhounds ?
GreyHounds is a special force of the states of Telangana and Andhra Pradesh states which undertakes high risk operations against Naxalite terrorists. The force, which numbers around 2,000 in the state, moves around in small bands of 15-25 commandos. They are specially trained for deep forest pursuit and combat.

What is Special Operations Group ?
The Special Operations Group (SOG) is a 1000-strong elite anti-insurgency force chosen from more than 100,000 troopers of the Odisha Police. It was raised with the idea of "involving the passive Odisha Police in the anti-terrorist activities and giving a local face to these operations".