An inventor from Snowdonia has received a donation of $1.4m from Microsoft founder Bill Gates to develop a fridge that keep vaccines cool without using electricity.
ITV News first met Ian Tansley in 2011, when he demonstrated the technology for the first time.
The fridges - which can operate for weeks without needing power - are currently in operation in more than 30 countries.
The money will allow the Tywyn-based firm to start trials in East and West Africa.
More top news
Memorial events are taking place across Wales today as people mark the 70th anniversary of the liberation of Auschwitz.
A damning Wales Audit report points to financial pressures and short-term thinking for delayed non-emergency operations.
Welsh education watchdog Estyn says progress is being made in the education system here, but there are still significant challenges.