Commentator Keli Goff has told Daybreak that "churches around the US will be ringing bells 26 times to commemorate the lives lost in the US shooting."
She added: "There's also going to be a moment of silence across the internet. A number of news sites will actually go dark at 9.30am."
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Tonight mist and fog will spread northeastwards across much of England and parts of Wales. The Met Office have issued a Fog Warning.
The UK is facing "sharper disparities" in inequality despite wider global growth, but monetary policy is not to blame, Mark Carney has said.
A plan to secure the future of Port Talbot steelworks will be unveiled to staff on Wednesday, ITV News understands.