In a concerning rise of shark-related incidents, Sydney has reported three shark attacks within a little more than 24 hours, leading to serious injuries for at least two individuals. Local authorities are emphasizing the need for heightened caution among beachgoers.

A critical incident occurred on Monday evening at Manly beach, where a man was rushed to the hospital after sustaining severe injuries from a shark attack.

Earlier the same day, an 11-year-old surfer reported feeling the bite of a suspected shark on his surfboard while at Dee Why Beach, prompting calls from the council for increased vigilance among swimmers and surfers.

The alarming trend started on Sunday afternoon when a 12-year-old boy suffered critical injuries after being attacked while swimming in Sydney Harbour. Reports indicate that the boy was jumping from a six-meter rock ledge at Shark Beach when he encountered the shark.

Shark Beach, despite its name, is not known for frequent shark attacks; however, the recent incidents are raising concerns. The young boy was pulled from the water by friends just before rescuers arrived, actions described as heroic by authorities.

According to Joseph McNulty, head of marine area command for New South Wales, the boys demonstrated remarkable courage, and their quick response was vital in saving their friend’s life. The severity of the boy's injuries led to immediate medical interventions as he was rushed to an ambulance waiting at a nearby wharf.

Investigators believe the attacker was likely a bull shark, a species known for its aggressive nature in warm, shallow waters. With these sharks considered among the most dangerous, the series of attacks has raised alarms within the community.

McNulty pointed to multiple factors, including heavy rains and brackish water conditions, which could attract sharks to shallower waters near the shore. Authorities have taken the precautionary step of closing all beaches in the Northern Beaches area following the last attack, and they continue to monitor the situation closely.

Australia's coastlines are beautiful yet perilous, known for their rich marine life, including sharks. Last year alone, five fatal shark attacks were recorded in the country, underscoring the need for public awareness and safety precautions when enjoying the local beaches.