[Peng Shuai: Photos of missing Chinese tennis player emerge online] New images of Peng Shuai were posted online on Saturday by a journalist working with a state TV channel, leading to further speculation about the missing Chinese tennis star. The photos showed Peng with a grey cat and holding a panda figurine in what appeared to be a private home. Stuffed animals are lined up behind her in the photos. There was no indication of when the photos were taken. The White House and the United Nations on Friday joined demands to establish the whereabouts and welfare of the player…