"I'm sure they are," Gwen replied. She didn't know for certain, but it seemed unlikely that these creatures and people just popped up and then disappeared. "At least some of them."
Gwen was concentrating on her eggs and toast, now, having eaten all of the bacon. "We're fairly certain there's a colony of weevils - vicious aliens - in the sewer system now. As for the others, we'll just have to see. We're - Torchwood, I mean - trying to gather up more information on the types of creatures on the loose and how to defend against them, so if you can help with that at all, it would be appreciated. Or if you can just let us know if you run into anything that would be a great help as well."