28. Tanur

ML held the seat; the winning margin narrowed from 53.5% to 29.9%.

• Won on a lower shareIts own vote share fell 18.5% — it held because the rest of the vote was more divided.
• New challengerCON (CON) finished second with 28.4% — it did not contest here in 1960.
• Vote fragmentedThe top two took only 86.7% between them, down from 100.0% — the field split more ways.

Written from the constituency figures by a fixed set of rules — no language model.