At 2:50 p.m., two explosions rocked the Boston Marathon finish line killing at least two people and injuring more than 100.
One of the fatalities is an 8-year-old boy.
At a 6 p.m. press conference President Obama cautioned against jumping to conclusions.
“But make no mistake, we will get to the bottom of this,” Obama said.
And those responsible, the president said, “will feel the full weight of justice.”
Here are headlines at 8 p.m.