DCP leader and former Deputy President Rigathi Gachagua has congratulated Sammy Waweru following his projected victory in the Ol Kalou parliamentary by-election, describing the outcome as a clear expression of the will of the people. Gachagua thanked voters for backing the party's candidate and said the victory gives DCP its first Member of Parliament in the National Assembly. The Electoral Commission is expected to formally announce the official results at any time from now.