A bomb exploded in a van in the restive southern Philippines on Tuesday, killing 11 people at a military checkpoint in what militant group Islamic State called a suicide attack for which it claimed responsibility, the Associated Press reports. Islamic State’s collapse in Syria and Iraq leaves global jihadists looking for a new home. Governments in Southeast Asia, a region that is home to some 270 million Muslims, fear that their part of the world may now turn into the extremists’ new area of growth, writes Yaroslav Trofimov for The Wall Street Journal. According to estimates by several regional intelligence agencies, between 1,200 and 1,600 Southeast Asians had travelled to Islamic State-controlled areas and possibly returned to their homelands. These people were part of an Islamic State brigade called Katibah Nusantara, which roughly translates to “Malay archipelago”