The emergency services say they believe a fire at an historic Grade II listed property in Oxfordshire was caused by a lightning strike.
Oxfordshire Fire and Rescue Service and Thames Valley Police are not treating the blaze as suspicious.
It's understood the owner of the Fawler Manor near Kingston Lisle raised the alarm last night.
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The 22 year old man is seriously injured in hospital. Police believe a baseball bat and iron bar may have been used in the attack