US warns that Islamic State extremists still a world threat

Secretary of State Antony Blinken, left, accompanied by Italy's Foreign Minister Luigi Di Maio, right, speaks during a news conference at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

Secretary of State Antony Blinken speaks during a news conference with Italy's Foreign Minister Luigi Di Maio at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

US Secretary of State Antony Blinken, left, shakes hands with Italian Foreign Minister Luigi Di Maio following a joint news conference in Rome, Monday June 28, 2021. As the Biden administration rapidly completes the U.S. military withdrawal from Afghanistan, members of the global coalition fighting the Islamic State are meeting to plot future steps against the extremist group. (AP Photo/Gregorio Borgia)

Secretary of State Antony Blinken, left, accompanied by Italy's Foreign Minister Luigi Di Maio, right, speaks during a news conference at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

Italy's Foreign Minister Luigi Di Maio speaks during a news conference with Secretary of State Antony Blinken at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

Secretary of State Antony Blinken, accompanied by Italy's Foreign Minister Luigi Di Maio, speaks during a news conference at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

Italy's Foreign Minister Luigi Di Maio, right, accompanied by Secretary of State Antony Blinken, left, speaks during a news conference at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

Secretary of State Antony Blinken, accompanied by Italy's Foreign Minister Luigi Di Maio, right, speaks during a news conference at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

Secretary of State Antony Blinken accompanied by Italy's Foreign Minister Luigi Di Maio, right, speaks during a news conference at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

Secretary of State Antony Blinken speaks during a news conference with Italy's Foreign Minister Luigi Di Maio at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

Secretary of State Antony Blinken and Italy's Foreign Minister Luigi Di Maio, left, arrive for a news conference at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

US Secretary of State Antony Blinken, left, listens to Italian Foreign Minister Luigi Di Maio during a joint news conference, in Rome, Monday June 28, 2021. As the Biden administration rapidly completes the U.S. military withdrawal from Afghanistan, members of the global coalition fighting the Islamic State are meeting to plot future steps against the extremist group. (AP Photo/Gregorio Borgia)

Italian Foreign Minister Luigi Di Maio addresses the media during a joint news conference with US Secretary of State Antony Blinken, in Rome, Monday June 28, 2021. As the Biden administration rapidly completes the U.S. military withdrawal from Afghanistan, members of the global coalition fighting the Islamic State are meeting to plot future steps against the extremist group. (AP Photo/Gregorio Borgia)

US Secretary of State Antony Blinken addresses the media during a joint news conference with Italian Foreign Minister Luigi Di Maio, in Rome, Monday June 28, 2021. As the Biden administration rapidly completes the U.S. military withdrawal from Afghanistan, members of the global coalition fighting the Islamic State are meeting to plot future steps against the extremist group. (AP Photo/Gregorio Borgia)

US Secretary of State Antony Blinken addresses the media during a joint news conference with Italian Foreign Minister Luigi Di Maio, in Rome, Monday June 28, 2021. As the Biden administration rapidly completes the U.S. military withdrawal from Afghanistan, members of the global coalition fighting the Islamic State are meeting to plot future steps against the extremist group. (AP Photo/Gregorio Borgia)

Italian Foreign Minister Luigi Di Maio addresses the media during a joint news conference with US Secretary of State Antony Blinken, in Rome, Monday June 28, 2021. As the Biden administration rapidly completes the U.S. military withdrawal from Afghanistan, members of the global coalition fighting the Islamic State are meeting to plot future steps against the extremist group. (AP Photo/Gregorio Borgia)

Secretary of State Antony Blinken listens as Italy's Foreign Minister Luigi Di Maio, right, speaks during a news conference at Fiera Roma in Rome, Monday, June 28, 2021. Blinken is on a week long trip in Europe traveling to Germany, France and Italy. (AP Photo/Andrew Harnik, Pool)

US Secretary of State Antony Blinken addresses the media during a joint news conference with Italian Foreign Minister Luigi Di Maio, in Rome, Monday June 28, 2021. As the Biden administration rapidly completes the U.S. military withdrawal from Afghanistan, members of the global coalition fighting the Islamic State are meeting to plot future steps against the extremist group. (AP Photo/Gregorio Borgia)