This is reported by RIA Novosti.
The report says that as a result of the attack, four people were injured.
"Four wounded employees entered the medical aid service of the parliament," the message says..
It is noted that the Venezuelan government is ready to sit down at the negotiating table with the US authorities, subject to respect and national sovereignty.
Earlier, URA-Inform reported that at the protests in Venezuela, injured 30 people, one dead.
Thus, protesters demand his resignation and new elections, accusing the leader of the country of the economic crisis, the shortage of basic food products, and also in the growth of the level of crime.