A fire broke out in Vilwadrinatha Temple at Thiruvilwamala in Thrissur district on Tuesday night, creating panic among devotees as per a report in Manorama.
There were no reports of any casualty.
At least eight fire tenders rushed to the spot and doused the blaze at 11.30pm, fire department sources said.
Initial reports suggest that the Chuttambalam part of the temple was partially gutted in the fire.
A burning lamp is suspected to have caused the fire.
Police said that the extent of damage can be determined only in the morning.
The temple is situated in the middle of Thiruvilwamala village, with Lord Rama and his brother Lord Lakshmana being the main deities.
(More details awaited.)