GAZA/JERUSALEM (Reuters) - A ceasefire between Israel and Gaza's Hamas rulers took hold on Thursday after eight days of conflict, although deep mistrust on both sides cast doubt on how long the Egyptian-sponsored deal can last. Quiet reigned on both sides of the frontier overnight and during the morning after a dozen rockets landed in Israel in the initial hours after the truce came into force late on Wednesday. Israeli police said there had been no casualties or damage. ...