across the river, trying to get to the venezuelan side proper. and there are intermittent clashes on the bridge down here. although strangely, a venezuelan singer who fled the country called nacho just caused pandemonium when he got on and said everyone should rest. the chaos still persists. that is being replicated in two other points along the border. to the extent that john bolton, the u.s. national security adviser, and very much the loudest beater of the drum against nicolas maduro within the white house has tweeted that it's quite clear today that the maduro government, i'm paraphrasing here, treats its civilians, shoots them with live rounds, prevents humanitarian aid from being across the border with tear gas and those who back nicolas maduro should be careful about who they choose to support, going on in a further tweet to suggest that maybe more sanctions and isolation in venezuela as a result of what