Democracy for the Citizens Party (DCP) candidate Sammy Douglas Kamau Waweru has won the Ol Kalou parliamentary by-election by a significant margin, marking a major victory for the opposition.

• Sammy Kamau secured 35,440 votes, a landslide win against rivals in the closely watched election.
• The victory hands the opposition a significant parliamentary seat and is seen as a key indicator of political shifts in the Mt Kenya region ahead of the 2027 General Election.
• The by-election, held on July 16, 2026, saw opposition-backed DCP challenge the ruling UDA party, with a 57 per cent voter turnout.