The Doctor, claiming he needed to check on his TARDIS, strode out onto the Plass. It wasn't a complete lie, but the breather from the OTHER Doctor was certainly a motivating factor.
As he moves closer to the TARDIS, still looking like a news stand, he stops abruptly at the sight of a body lying on the concrete a little farther away. He rushes to the body's side. "Are you alright? What's wrong? Do you need..."