The protesters’ deaths fueled fears that daily protests aimed at bringing down the government could escalate and turn even more violent.

The 21-year-old teaching assistant who was killed was targeted by the shooter, police said.

Representatives of more than 30 nations are gathered near Lake Geneva in the most ambitious international effort yet to end an almost 3-year-old conflict.

Hungarian sports officials, who first reported the email, said they have received assurances from the International Olympic Committee and from the Sochi organizers that the email had no merit.

The storm drops more than a foot of snow in parts of Massachusetts, but largely spares Boston and areas west and north of the city.