With a curt nod to Lin, Gwen approached the younger wizard and removed the set of handcuffs from her belt. If he cooperated, she went about the business of securing his arms behind his back.

"As officer Beifong said, we're just bringing you both in for questioning." She attempted to catch Severus' eye, and then Sirius', as she then added, "Afterwards, you both ought to talk to Harry and sort out the bad blood between you. I still think this is a misunderstanding, and we can't have you dueling in the streets this way."