CNN News:土耳其打击叙利亚库尔德武装 中东局势更加复杂

Today's down-the-middle coverage starts with the Middle Eastern country of Syria. It's been torn apart by civil war for seven years, and the involvement of another country could complicate it further. Syria's war isn't just being caught by two sides. It involves Syria's government, dozens of rebel groups, terrorists and other countries like Russia and the U.S. who've gotten involved. And Turkey's military is part of it as well.
Turkey formed Syria's northern border and it doesn't want that border controlled by Kurdish fighters. The Kurdish people live in the region but do not have a country of their own and a group of Kurds in Turkey has been fighting the government for decades. It's seen as a terrorist group.

A different force of Kurds has been fighting ISIS terrorists in northern Syria, but because Turkey's government sees them as one and the same as the Kurds fighting inside Turkey, it sent troops into Northern Syria to target the Kurdish fighters there. Where this gets more complicated is that the U.S. supports the Kurdish fighters in Syria.