Venezuela’s Foreign Ministry has accused Brazilian officials of making ‘interventionist, rude statements’.
The Voluntad Popular party blames the Maduro government for death of co-founder Edwin Santos.
Pair honoured three months after election they say was rigged in favour of President Nicolas Maduro.
Raul Gorrin Belisario, owner of Globovision, allegedly took part in $1.2bn scheme to launder corrupt oil money.