Wreaths have been placed at the sites of the two Boston Marathon bomb attacks as the city remembers the events one year on.
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The IMF's forecast for global growth has been cut to 3.1% - a fifth successive year of declining growth, the weakest performance since 2009.
Coronation Street actor Ryan Thomas is to quit the show after more than 15 years.
Fresh violence has erupted in the West Bank following the death of a 13-year-old boy, sparking fears of a new Palestinian uprising.