Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

Turkish soldiers look through the hatches and turrets of an infantry fighting vehicle (IFV) as they pass through the Bab al-Salamah border crossing between Syria and Turkey in the north of Aleppo province, on January 21, 2018.
Turkish troops and tanks entered northern Syria on January 21 in an offensive aimed at ousting the Kurdish Peoples' Protection Units (YPG), which Ankara considers a terror group, from the Afrin region bordering Turkey. / AFP PHOTO / Nazeer al-Khatib        (Photo credit should read NAZEER AL-KHATIB/AFP/Getty Images)
Turkish soldiers look through the hatches and turrets of an infantry fighting vehicle (IFV) as they pass through the Bab al-Salamah border crossing between Syria and Turkey in the north of Aleppo province, on January 21, 2018.
Turkish troops and tanks entered northern Syria on January 21 in an offensive aimed at ousting the Kurdish Peoples' Protection Units (YPG), which Ankara considers a terror group, from the Afrin region bordering Turkey. / AFP PHOTO / Nazeer al-Khatib        (Photo credit should read NAZEER AL-KHATIB/AFP/Getty Images)

    JUST WATCHED

    Tensions grow between the US, Turkey

MUST WATCH

Tensions grow between the US, Turkey

US Secretary of State Rex Tillerson has expressed "concern" about Turkey's offensive against Kurdish militia in northern Syria, urging restraint but stopping short of demanding an end to the operation. CNN's Sam Kiley reports.

Tensions grow between the US, Turkey

US Secretary of State Rex Tillerson has expressed "concern" about Turkey's offensive against Kurdish militia in northern Syria, urging restraint but stopping short of demanding an end to the operation. CNN's Sam Kiley reports.