The incident took place after President Cyril Ramaphosa's State of the Nation Address in Parliament on Thursday.
The EFF was apparently prevented from entering a certain section of the precinct after the speech.
Leaders of the party are seen here, but we understand the perpetrator is Marshal Dlamini.
It's been reported that a female VIP protection officer was also pushed.
eNCA is trying to get comment from the party and the presidency.
We’re also trying to verify whether a case has been opened.