Shaun Batt's double helped secure a comfortable 5-2 FA Cup first-round success for Leyton Orient as they disposed of non-league Southport
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A Swindon fan arrested after running on to the pitch and allegedly punching Leyton Orient goalkeeper Jamie Jones has been released on bail.
Orient boss Russell Slade said that, although 24-year-old Jones was unhurt, he was angered by the incident, which Slade described as the worst he had seen since becoming a manager.
Orient's chief executive Matt Porter wrote on Twitter:
– Leyton Orient chief executive Matt Porter
Swindon confirm fan who ran on pitch and attacked Jamie was arrested and will be banned for life. We will also press for strongest penalty.
A Swindon fan is facing a lifetime ban after invading the pitch and punching Leyton Orient's goalkeeper.
Orient stopper Jamie Jones was struck by the 26 year-old man three times during his team's 3-1 win at Swindon on Saturday, but escaped unhurt.
An FA spokesman said: "We deplore scenes of this kind and would call for the authorities to take the appropriate actions if allegations of assault are proven.
The FA will speak to officials from both clubs before taking action.