An aid convoy reached Eastern Ghouta in Syria Monday, where the Russian-backed Syrian army has killed hundreds of civilians and dropped "almost 20 bombs daily" in recent weeks, Reuters reports. But the Syrian government confiscated some medical supplies from aid workers before they were allowed in to help.

Why it matters: "The United Nations says 400,000 people are trapped inside the besieged enclave, and were already running out of food and medical supplies before the assault began with intense air strikes two weeks ago," per Reuters. [Go deeper: White House accuses Russia of slaughtering civilians in Syria]