Visitors to one of the latest Tate Modern commissions are encouraged to actively engage with the new work and some, it seems, are taking the request too literally.
The new exhibit, Shibboleth, by Colombian artist Doris Salcedo consists of a 167 metre-long crack in the floor of the cavernous Turbine Hall.
The work is intended to symbolise the gap between white Europeans and the rest of humanity.
Unfortunately, some visitors have been so distracted by the impressive surroundings that they have unwittingly fallen into crack, around one foot (or 30 centimetres) wide in places, the museum told AFP on Wednesday.
"The Tate can confirm that three visitors missed their footing and tripped in the Turbine Hall. They were attended to immediately by Tate security staff trained in first aid but there have been no serious injuries, a spokesman said.
In total, "12,000 people visited the installation on the first day it opened to the public and there have been no further incidents.
"We have thought carefully about visitor safety and there are measures in place. There are no plans to barrier off the work at this stage," he added.