UK Independent "Runners would have been at the spot if start of race hadn't been delayed"
. . . "Officials said a second device had been found near to the one that exploded, according to the local news site, NJ.com, quoting Al Della Fave, a spokesman for the prosecutor. There was no immediate confirmation on whether it had been detonated. But a bomb team was already on site to “make safe” that device, officials noted.
"The apparent terror attempt immediately evoked the Boston Marathon bombing three years ago when Tamerlan and Dzhokhar Tsarnaev planted bombs in pressure cookers near the finish of the world famous race, killing three people and injuring more than 260." . . .