Australian authorities have closed 20 beaches off Sydney to swimming after four shark attacks on surfers in the past two days. This was reported by local television channel 9News.
Experts warn that next week could be the deadliest in recent years due to rising water temperatures and cloudiness. They say this attracts sharks closer to shore.
Visitors should completely avoid swimming in the coastal waters surrounding the city.
Before MK wrote that after the New Year holiday in Russia he recorded it a significant increase in the incidence of Hong Kong flu.
