Seven people have been injured after part of a Greek cliff face broke away and collapsed.
The incident happened on Navagio beach on the island of Zakynthos.
"We haven't found any trapped people but we will continue searching," a spokesperson for the fire brigade said.
None of the injuries sustained in the incident on Thursday afternoon are believed to be life-threatening.
The beach is popular with tourists and can be reached only by boat.
It's also known as ''shipwreck beach''.
Greek authorities said they had received no reports of missing people.
Search and rescue teams were continuing to operate by air and sea into the late afternoon as a precaution.
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Among those injured was a 34-year-old woman from the Czech Republic, who suffered a fractured vertebra.
Her husband and two children were also treated for minor injuries by hospital staff, according to the Greek news website Kathimerini.
"There was a noise and a small piece of rock fell, then a second bigger and finally a third big piece of rock that during the fall created a sea whirlpool that overturned the boats," one eyewitness said.
Three others were also hurt in the incident.
Footage posted on social media showed people running in panic as a large section of the cliff peeled off and crashed down close to several bathers.
Cliff collapse and subsequent 'tsunami' hit tourists at Navagio, Zakynthos, Greece today, Sept 13! Report: Leonidas Malioufas / Cyclone of Rhodes pic.twitter.com/zXNHvFWxCy
severe-weather.EU (@severeweatherEU) September 13, 2018
The port of Zakynthos, also known as Zante, was evacuated as a precaution.
More to follow.