Meanwhile, an ABC News investigation revealed that Nugent had previously shared pro-Gaza content and criticized Israel on social media, but it is unclear if this motivated his attack on Haines. Brendan Nugent's family say they have known Helen Haines, who remains in a critical condition, for more than 20 years. Key points and original sources are listed below.

• Meanwhile, an ABC News investigation revealed that Nugent had previously shared pro-Gaza content and criticized Israel on social media, but it is unclear if this motivated his attack on Haines.S1

• Brendan Nugent's family say they have known Helen Haines, who remains in a critical condition, for more than 20 years.S2