Police searching for suspects after explosion at Harvard Medical School

It was hard for me to fall back asleep last night after hearing that. >> Nightfall at Harvard Medical School and things are back to normal after an explosion took place in this building. Investigators are now looking for two suspects in connection with the blast.>> My heart was racing and then tried to fall asleep and then like 5 minutes later I heard another bang, a second one. >> Harvard police say it all happened early Saturday morning on the fourth floor of the Golden Building which is getting restored. ...