Police and emergency officials in Alberta say they don't know how long two young girls were submerged in icy water before they were found on their family's rural property in central Alberta.

A three-year-old boy strapped into a car seat atop an ATV carrying rack is recovering in hospital after a crash where the vehicle was submerged in a slough and the child was dangling underwater, according to RCMP.

Italian emergency officials say they are calling off a search for missing people in the submerged part of the Costa Concordia cruise ship, due to the danger to rescue workers.

An off-duty RCMP officer and his wife helped rescue a two-year-old trapped in a partly submerged car south of Vancouver Wednesday.