Pollster Darrell Bricker, CEO of Ipsos Public Affairs, said that Canadians’ inclination to avoid news of U.S. President Donald Trump could offer a reason for the decline in trust.

LONDON – Supporters of Syrian President Bashar Assad hijacked the Twitter accounts of the BBC’s weather and Arabic services on Thursday and posted messages that were by turns political, anti-Semitic and comical. The BBC confirmed that several accounts had been hacked, saying that it is “actively working” on the issues and expects them to be...