CenterHigh
Politico EuropeNews report · Sep 7, 2:36 PM
By-election in Keir Starmer’s old seat expected Oct. 8
The former prime minister stepped down from parliament weeks after leaving Downing Street.
← Today's headlines
4 sources checked · Left, Center, and Right included · 2h ago
Different Spin
By-election in Keir Starmer’s old seat expected Oct. 8
The Guardian - Politics and GB News describe the same event in different terms.
2 Left1 Center1 Right
DIFFERENT SPIN
HOW EACH SIDE WORDED IT
Left-leaningCamden Green councillor says he will fight Polanski to run in Starmer’s seat – UK politics live
The Guardian - PoliticsMixed
Right-leaningBy-election date set for Labour showdown with Zack Polanski after Keir Starmer resigns seat
GB NewsMixed
Center baseline · 
Politico EuropeHighBy-election in Keir Starmer’s old seat expected Oct. 8
As of September 7, 2026 at 3:37 PM, this is how Optics News reads the wording differences in this story.
What happened The former prime minister stepped down from parliament weeks after leaving Downing Street.
The headline split The left frames it as "Camden Green councillor says he will fight Polanski to run in Starmer’s seat – UK politic...". The right frames it as "By-election date set for Labour showdown with Zack Polanski after Keir Starmer resigns se...".
Match confidence Medium confidence. 4 sources across 3 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium
4 sources across 3 bias buckets agree on the event.
Framing confidenceStrong
90/99 — headlines create a clearly different first impression.
WHAT EACH SIDE EMPHASIZED
Left / center-leftCamden Green councillor says he will fight Polanski to run in Starmer’s seat – UK politics live
The Guardian - Politics · Left · News report
CenterBy-election in Keir Starmer’s old seat expected Oct. 8
Politico Europe · Center · News report
Right / center-rightBy-election date set for Labour showdown with Zack Polanski after Keir Starmer resigns seat
GB News · Right · News report
SEE THE HEADLINES
Open source
LeftMixed
The Guardian - PoliticsNews report · Sep 7, 3:37 PM
Camden Green councillor says he will fight Polanski to run in Starmer’s seat – UK politics live
Hamza Chowdhury says he will challenge party leader and has received nominations from other Green councillors Healey says Andy Burnham set out in his statement to MPs last week what he thou...
Center-leftMostly Factual
NDTVNews report · Sep 7, 2:50 PM
British Indian Professional In Race To Succeed Ex-PM Keir Starmer As UK MP
The 44-year-old climate action expert has won the backing of Labour Indians and Labour Friends of India diaspora groups, which have also highlighted the strong Indian association of the con...
RightMixed
GB NewsNews report · Sep 7, 2:45 PM
By-election date set for Labour showdown with Zack Polanski after Keir Starmer resigns seat
Labour will face a crunch by-election test in Sir Keir Starmer's former seat of Holborn & St Pancras on October 8, it has been confirmed. The ex-Prime Minister announced he would resign as...
Details90/99 Wording Gap · Medium confidence · 4 sources
90/99 Wording GapMedium confidence4 sources · 3 bias bucketsLive match · 4 sources · 3 buckets · comparable news formatFormats: News report
SOURCE MAP CHANGES
Sep 7, 2:36 PM: Politico Europe joined the source map.
Sep 7, 2:45 PM: GB News joined the source map.
Sep 7, 2:50 PM: NDTV joined the source map.
Sep 7, 3:37 PM: The Guardian - Politics joined the source map.
Now: Wording Gap is 90/99 and story health is live match · 4 sources · 3 buckets · comparable news format.