“Police will allege in court the man engaged in conduct that caused death, serious injury and endangered life to advance a religious cause and cause fear in the community,” New South Wales state police said.

“Early indications point to a terrorist attack inspired by ISIS, a listed terrorist organisation in Australia,” they said in a statement, using another name for the Islamic State group.

Authorities say Naveed and his father Sajid Akram opened fire on a Jewish festival at Sydney’s famed Bondi Beach on Sunday evening, killing 15 people and wounding dozens more.

Among the victims were a 10-year-old girl, two Holocaust survivors and a married couple shot dead as they tried to thwart the attack.

Naveed was critically wounded by police during the shooting, and local media reported he woke from a coma on Tuesday night. Sajid Akram was killed in a shootout with police.

Police said Naveed had also been charged with 40 counts of causing grievous bodily harm to a person with intent to murder, as well as public display of the symbol of a prohibited terrorist organisation.

Two homemade Islamic State flags were found in a car registered to Naveed and parked near the beach.

Naveed remains in hospital and will face court by audiovisual link on Wednesday, police said.