Power has been cut to a number of homes after a large tree came crashing down on Edgecliff Rd in Woollahra this evening.

The incident happened at around 10.00pm with residents reporting a power arc outside their home.

A 40-year-old man is in hospital and another being questioned after an incident involving two males in Bondi at 4.50pm this evening.

It's understood a man was hit in the face causing him to fall backwards and impact his head on the ground.

At around 10.45pm emergency services responded to a call for assistance after a 25-year-old man fell down a flight of stairs in O'Donnell St, North Bondi.

It's understood the male had fallen 5 metres landing on his head and back.

General duties and intensive care paramedics were tasked to assist with patient treatment with police assisting with investigations & scene safety.

Emergency services have responded to a serious incident in Grafton St Bondi Junction at around 10.15am this morning after a pedestrian was struck by a bus.

A woman aged in her twenties sustained critical injuries. Bystanders rushed to assist the unconscious woman and commenced CPR.

A 24-year-old man has been transported to St Vincent's hospital in a serious but stable condition after a three metre high brick wall collapsed on him just before 8.00am today in Gilgandra Rd, Bondi

The builder suffered additional injuries after he fell into a sharp object causing two penetrating chest injuries.

Just after 5.00pm, residents of a house on Curlewis St Bondi had their side wall collapse into a neighbouring construction site. Beds in two rooms were on the edge of falling as the building gave way.

Family said that cracking had appeared in the neighbouring home around a week ago. The home owners attempted to reach out to those responsible for the construction but needed to engage a solicitor to force halting the building works.

A man aged in his twenties has survived a 10 metre fall from a cliff in Bondi this morning.

At around 6.00am friends contacted emergency services stating their friend had fallen off a cliff and into a narrow crevice at Bondi Golf Course.