Transcript for Venezuela military attempts to block humanitarian aid requested by Guaido

I'm gonna run over and I am at the border between Colombia. And in the distance Venezuela. As news good night. There is a battle for the leadership vanish quickly. Why does the interim president and opposition leader I'm a Dora the elected president of Venezuela the contested. The elected president of Venezuela. We are at something of the front line actually did in that battle. This is of what across and whacked humanitarian I'd much needed to manage. An A it's sad to be cross. However no one note of the fact and across the divide them now. Let's hope they are treated this morning. The board it got there a free content it's on the Venezuelan side. Amador I was saying no to pay about presented with a physical problem to book makes that sought to critical juncture here in the battle between quite on the door. Because if the Doris says no to the day that's been off by international communities who both of an adult in the white. It looks like he is putting his self preservation about the needs of the people. All then it's right. Some law will hinge on what's gonna happen here in the next few days. And arrived back at the border between Colombia and found its way. By ABC news the high.

This transcript has been automatically generated and may not be 100% accurate.