The Return of the Crusade?

Objectives
Commander Lynore Windstryke at Wintergarde Keep in Dragonblight wants you to kill 20 Scarlet Onslaught at the Onslaught Base Camp.
 * Scarlet Onslaught slain: (20)

Description
To the northeast of Wintergarde Keep newly built encampment, set up by the Scarlet Crusade - or rather - the Scarlet Onslaught as they now call themselves. While we are unsure as to why they are in Northrend, they are certainly no less dangerous than before. As of last night, the Scarlet Onslaught has killed twelve of our soldiers. They must be taught a lesson,.

Go to Onslaught Base Camp and thin them out.

Rewards
You will receive: and Runic Healing Potion (5)

Progress
Clear out the Onslaught Base Camp,.

Completion
Hopefully the message is now clear to the Onslaught. I hope it was enough of a beating to make them doubt their affiliations.