Local media is reporting two suspicious packages have been identified near to the finish line of the Boston Marathon, prompting evacuations.
A memorial service has been taking place to mark the first anniversary of the bombings.
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The new measures would mirror childcare vouchers and see workers sacrifice some of their salary to benefit.
Google, Facebook and Twitter could face multi-million pound fines over their failure to remove illegal content, MPs say.
Staffing levels and worsening pay are to blame, according to the report by the Health Foundation.