http://activetoronto.com/canada/markham-teen-swims-across-lake-ontario-for-charity-citynews/ A Markham teen swam across Lake Ontario overnight to raise money for the hospital that helped save her sister’s life. Rebekah Boscariol, 17, left Niagara-on-the Lake, Ont., around 8:45 p.m. Friday and arrived at Marilyn Bell Park... Mon, 08 Aug 2011 10:22:45 EDT en