Massacre, manhunt and mourning: How Russia’s deadliest attack in years unfolded over the weekend

Read MoreIt was minutes before the start of a concert by the popular rock band, Picnic, at a massive auditorium at Crocus City Hall, an entertainment complex on the northwestern outskirts of MoscowIt was minutes before the start of a concert by the popular rock band, Picnic, at a massive auditorium at Crocus City Hall, an entertainment complex on the northwestern outskirts of Moscow