Keith Davies was rushed to accident and emergency late on Wednesday night. The Labour AM, 71, had attended a function organised by a public affairs group earlier in the evening.
On Wednesday night Keith Davies was admitted to the University Hospital of Wales in Cardiff. He is currently undergoing tests at the neurosurgical unit. Everyone in Welsh Labour wishes him a speedy recovery.
Mr Davies is a father of two, who is married to wife Heddyr.
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Well a fabulous day today has ended on a spectacularly soggy note for some! Heavy rain, hail and thunder will work northwards overnight!
The Talyllyn runs from Tywyn, near Aberdovey, for more than seven miles to two villages in the south Gwynedd countryside.
Homes in parts of Tonypandy and Llwynypia are without water this evening due to a burst water main at Cilfynydd.