Helen Haines live updates: Sister of slain UK MP Jo Cox urges Australians to find ‘common ground’; alleged Haines attacker to face court

Follow the day’s news live.

• ‘Deeply appalled’: politicians condemn alleged attack after Helen Haines critically injured

• Helen Haines, the principled MP respected across parliament

Politicians say more security would ‘let bad people win’

The alleged attack on Helen Haines is something long feared by politicians amid an increase in hostility towards those in public life, ranging from social media abuse to death threats.

That was something my sister was brilliant at and I would imagine it’s something Helen is good at.

I am devastated for Helen and for her family, her friends, her colleagues, her staff, that I am probably one of the few people, I suppose, that can understand a little bit of what they’re going through.