OTTAWA, May 9 (Reuters) – Prime Minister Justin Trudeau on Tuesday said Canada will not be intimidated by China following tit-for-tat diplomatic expulsions by Ottawa and Beijing. Ottawa expelled Chinese diplomat Zhao Wei on Monday over allegations related to foreign interference, and hours later, China asked a Canadian diplomat in Shanghai to leave by May 13 in response to what it called Ottawa's "unreasonable actions". "We understand there is retaliation, but we will not be intimidated, we will continue to do everything necessary to keep Canadians protected from foreign interference," Trudeau told reporters in Ottawa. A row has simmered since…