PHOTO: Tongan head coach and former Wallaby Toutai Kefu suffered serious injuries in the incident. (Getty: Phil Walter)

A fourth teenager has been charged in relation to an alleged violent home invasion in which Rugby Union legend Toutai Kefu and his family were seriously injured.

The former Wallaby and three of his family members were attacked at their Coorparoo home in Brisbane at about 3:00am on Monday.

Police said the attack was carried out with an axe, a knife and a machete.

Mr Kefu suffered serious injuries and was hospitalised with wounds to his abdomen.

His wife, son and daughter also sustained injuries and underwent surgery.

The alleged offenders – three boys aged 15 and one boy aged 13 – have been arrested and charged with 11 offences each.

These include four counts of attempted murder, three of grievous bodily harm and one count each of deprivation of liberty, burglary, enter dwelling with intent whilst armed and unlawful use of a motor vehicle.

They have each been denied police bail and were due to appear before the Brisbane Children’s Court.

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