attack 70 miles away in the city of cambrils, thwarted by authorities. five terrorists there were killed. police say they're working under the assumption that the incident is linked to the one in barcelona. >> back at home, president trump under fire responding to the tragedy by tweeting out a debunk story about general pershing killing muslims over a century ago with bullets dipped into pig's blood. it is a fact-free tale that he also told during the campaign. the trump's presidency in peril as republican lawmakers questioning his fitness for office and his stability. before that, let's remember the victims as we begin our coverage this hour with arwa damon in barcelona. arwa. >> reporter: hi, poppy. one of those victims, to give you an idea of who these people were, was a father of a 5-year-old boy and a baby that was just a few months old. they were here on vacation.