Two teenage boys will face charges after a fatal balcony accident in Sydney’s CBD.

Key points:The two teens were riding in a van when they were struck by a balcony railing while walking in a park about 5.15pm on SaturdayThe van driver suffered a head injuryThe pair were taken to hospital for treatment, where they later diedA 17-year-old boy has been charged with careless driving, while another 15-year old boy has appeared in court charged with failing to avoid a collision.

The van carrying the teenagers, who were in a rented van, was travelling in a busy part of the CBD when it was struck by an “unmarked balcony railing”, police said.

Both boys have been charged over the incident, which happened about 5:45pm on Friday.

Both have been taken to the Royal Childrens Hospital in a serious condition, police said in a statement.

“The 17-years-old was taken to Royal Children’s Hospital where he later died, while the 15-years old remains in hospital and is expected to make a full recovery,” police said, adding the two teenagers are now aged 17 and 18.

The 18-year year-old driver was not injured, police added.

The incident was reported to the Police Services Act enforcement unit on Saturday, and the driver’s licence of the 17- and 18- year-olds was suspended.

The 17 year- old has been suspended for 10 days and the 18 year old for two weeks.

The police statement said the 17 year old is facing an offence of failing to keep a safe distance while riding in an enclosed vehicle.

The statement also said the 18–year boy faces an offence for failing to stay at a safe and reasonable distance when riding in the same vehicle.