The Met Office has issued a yellow weather warning across parts of Wales as a spell of heavy rain is expected to hit the regions of Ceredigion, Conwy, Gwynedd, Powys in northwest Wales on Wednesday morning.

The weather agency said to expect flooding on roads with possible traffic delays, as well as flooding of some homes and businesses, and interruption to some power supplies.

The rain is expected to hit at 3am on Wednesday and continue through to midday.

In a statement online, it said: "Be prepared for weather warnings to change quickly: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area."

The Met Office has warned people to check if their property is a risk of flooding and prepare a flood plan and an emergency flood kit if it is.

It also advises that people prepare essential items in case of a power cut, including torches, batteries, and a mobile phone pack.