Which of the following statements is TRUE?

More than 130,000 Syrian Kurdish refugees have flooded into Turkey in the past few days, as the Islamic State militant group bears down on the Syrian Kurdish town of Kobane. Turkish authorities have clashed with hundreds of Kurdish protesters, many of whom want to cross into Syria to defend fellow Kurds from the onslaught. The militant group, also known as ISIL, released a statement on Monday urging Muslims to kill Westerners whose countries have joined the campaign against it.