"Know what I hate?" said Kitty, advancing on the man to take him down similarly to his cohorts- though she also phased his gun out of his hand in order to take it by the barrel and beat him with the butt of it. "Guns. Know what else I hate? Getting shot at with guns!" And with that, she plunged the hand holding the weapon into the ground, and let it go, where it fused molecules with the pavement. One less gun on the streets... now in the street.
"That was a pretty rude interruption," she said, turning back to the Doctor, catching her breath. "But I think that was the last of them." She tilted her head, "you don't seem too weirded out by the phasing," she noted- part surprised, part grateful.