Fact that Isis attacks have declined in EU does not mean threat has disappeared, says expert
Does the attack in Vienna on Monday night presage a return to the darkest days of the wave of terrorist violence that shook Europe between 2012 and 2017?
Over that five-year period, hundreds died in lethal stabbings, attacks with cleavers, bombings of stadiums and airports, as well as assaults by multiple gunmen in city centres with AK-47s that bear horrible resemblance both to that still being investigated in the Austrian capital and the spate of attacks in France in recent weeks.
