More than 70 firefighters are tackling a large fire at ZSL London zoo, the Guardian reported.
London fire brigade was called at 6.08am on Saturday morning to the Adventure cafe and shop near the Meerkat enclosure in the north-west of the capital.
Ten fire engines, and around 70 firefighters and officers are tackling the fire. No injuries have been reported so far and it is not believed any animals were involved, according to the LFB.
A photograph posted on Twitter by LFB shows smoke billowing from the building as firefighters work at the scene.
A spokeswoman for LFB said: “Approximately half of an adventure cafe and shop, which also contains an animal petting area, is currently alight. It is not believed any animals are involved at this stage.”
She added that the cause of the fire is not yet known.
ZSL London Zoo tweeted that it would be closed on Saturday until further notice.