NPR: Up First

Amid an outbreak of lung injury cases, there's a new spotlight on the dangers of vaping, a practice that's been marketed as an alternative to smoking. NPR health correspondent Allison Aubrey explains, with the story of one teenager whose vaping habit landed her in the ER.

We bring you the latest on the impeachment inquiry and the significance of the deal that the U.S has secured with Turkey. Turkey has agreed to suspend its incursion in Syria. Also, an intense gunfight breaks out in Mexico and it's connected to one of the sons of "El Chapo."

Who is Gordon Sondland and how could his testimony today jeopardize Trump's presidency?

Vice President Pence meets with Turkey's President Erdogan in Ankara, trying to convince him to stop the assault on the Kurds in Syria. U.S. ambassador to the E.U. Gordon Sondland testifies in the impeachment inquiry. Britain and the E.U. have reached agreement on a new Brexit deal. And, Representative Elijah Cummings has died.

Democrats vying to be the presidential nominee see Elizabeth Warren as their biggest rival. Testimony continues in the House impeachment inquiry. And, a humanitarian crisis escalates in northeast Syria.