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.
More top news
The Cardiff-born centre, who celebrated his 24th birthday earlier this month, has signed a two-year deal with the region.
Is transport a barrier to work for Valleys communities?
The Welsh Government has invested £2.5 million in a new purpose designed facility for St Asaph-based company Qioptiq.