There's a warning a big rise in energy bills could trigger a "national emergency" for millions of older people

Age UK's urging the government to take immediate action to minimise the effects of soaring prices.

There are predictions wholesale costs could increase by 50% in the next few months.

The government has a pay cap to try to limit what suppliers can charge.

Morgan Vine, from Hammersmith-based Independent Age, says the situation could become unmanageable soon.