A gas leak outside Phase 1 of the Children's Hospital for Wales in Cardiff has led to two wards being evacuated.
The ground floor of the maternity unit and the antenatal clinic have been evacuated as a precautionary measure, a spokesperson said.
More top news
Plaid Cymru's Simon Thomas says "now is the time to settle" the leadership of the party amid speculation of a challenge to Leanne Wood.
Thousands of customers were left without water following after snowy weather last February.
The charity Prostate Cancer UK found that only 3 out of 7 health boards in Wales offer the scan.