Islamic State attacks have increased this year, particularly in Iraq and Syria as the group responds to substantial territorial losses, a U.S.-based analysis firm IHS said on Sunday.

There were 891 attacks during the first quarter of 2016 in neighbors Iraq and Syria, more than in any three-month period since the militants’ sweeping advance in mid-2014, IHS said in a new report.

Those attacks killed 2,150 people, a 44 percent rise over the previous three months and the highest quarterly toll in nearly a year. […]