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3 sources checked · 2 source groups included · 1m ago

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Britain swelters in hottest June day on record

The previous top temperature of 35.6C, set during the legendary ten-week heatwave, was surpassed when the mercury reached 36.1C in Gosport, Hampshire..

0 Left1 Center2 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of June 25, 2026 at 5:39 AM, this is how Optics News reads the wording differences in this story.

What happened The mercury rose to 36.1 deg C in southern England, breaking the previous record of 35.6 deg C set in 1976.
The headline split The center frames it as "Britain swelters in hottest June day on record". The right frames it as "Record heatwave to peak TODAY before African plume batters Britain with thunderstorm blitz".
Match confidence Medium confidence. 3 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium

3 sources across 2 bias buckets agree on the event.

Framing confidenceStrong

76/99 — headlines create a clearly different first impression.

WHAT EACH SIDE EMPHASIZED

Left / center-leftNo matching source in this bucket yet.

Optics keeps watching for pickup.

CenterBritain swelters in hottest June day on record

The Straits Times · Center · News report

Right / center-rightWhat the hottest places of 1976 look like today: How keeping cool has changed as Britain braces for another record day and an eve...

Daily Mail · Center-right · News report

SEE THE HEADLINES

Center-rightMixed
Daily MailNews report · Jun 25, 5:39 AM

What the hottest places of 1976 look like today: How keeping cool has changed as Britain braces for another record day and an even longer heatwave after hottest June day ever

The previous top temperature of 35.6C, set during the legendary ten-week heatwave, was surpassed when the mercury reached 36.1C in Gosport, Hampshire..

Open source
RightMixed
GB NewsNews report · Jun 25, 3:17 AM

Record heatwave to peak TODAY before African plume batters Britain with thunderstorm blitz

heatwavepeaktodaybeforeafrican

Britain’s record heatwave will peak today before the historic African plume erupts in a deluge of thunderstorms. Temperatures in parts are expected to nudge 40C after the mercury yesterday...

Open source
CenterMostly Factual
The Straits TimesNews report · Jun 25, 3:02 AM

Britain swelters in hottest June day on record

sweltershottestjune

The mercury rose to 36.1 deg C in southern England, breaking the previous record of 35.6 deg C set in 1976.

Open source
Details76/99 Wording Gap · Medium confidence · 3 sources
76/99 Wording GapMedium confidence3 sources · 2 bias bucketsLive match · 3 sources · 2 buckets · comparable news formatFormats: News report

SOURCE MAP CHANGES

Jun 25, 3:02 AM: The Straits Times joined the source map.

Jun 25, 3:17 AM: GB News joined the source map.

Jun 25, 5:39 AM: Daily Mail joined the source map.

Now: Wording Gap is 76/99 and story health is live match · 3 sources · 2 buckets · comparable news format.