FILE - In this April 6, 2017 file photo, an anti-government demonstrator deflects a tear gas canister with his skateboard during clashes with Bolivarian National Guards in Caracas, Venezuela. President Nicolas Maduro blames the opposition for the violence, claiming its leaders are instigating the unrest and working with gangs to remove him from power. At least two law enforcement officers have been killed, while 36 civilians have died during the protests. (AP Photo/Fernando Llano, File)