Yemen crisis: Where power cuts threaten babies' lives
The UN said this week that hospitals in Yemen could run out of fuel in three weeks.
The Saudi-led coalition has imposed a blockade on Yemen's borders, ports and airports since 6 November in response to a missile attack by Houthi rebels that hit near Riyadh.
Clive Myrie reports from the city of Aden.
Watch the full report on Yemen: The Plight of the Children