The little accented girl wasn't going to get away from him that easily. Spike didn't know why, but there seemed to be something about her that he couldn't quite place. Something familiar. He rarely got those sort of feelings in the pit of his cold, dead stomach. Yet when he did? It was usually a point for the vampire to follow up on. Spike quietly leaned against the railing to the set of stairs he had been sitting upon and waited for the girl to advance a bit away before he shoved up and began to pursue her.
Spike was an expert at tracking. Once he got a scent, that was it. The target was royally fucked. Particularly if he wanted to find them without being seen or thought of. As this was a mere child, Spike didn't seem particularly interested in going the scary vampire route. It probably wasn't all that encouraging having a stranger stalk her either, but at least he was making his presence known rather than giving her the jump.
He kept at it for a few moments before giving off a heavy sigh, stepping forward, and pushing his way ahead of her. It may have appeared as though he intended to surpass her on his own merry way to wherever it was that he alone may have been going. The abrupt turn to face her would have easily disrupted that thought if it were to have made a visit.