Tory MP Dame Cheryl Gillan has died at the age of 68, the Conservative Party said.
The former Welsh secretary, who also served as chairman of the 1922 committee, reportedly died over the weekend after suffering “for some time” from an illness.
Prime Minister Boris Johnson described Dame Cheryl as a “great servant” after her death from a long illness.
“I am very sad to hear the news of Dame Cheryl Gillan’s death,” said Mr Johnson.
“She has been a great servant of the people of Chesham and Amersham, the Conservative Party and the country as Secretary of State for Wales.
“Always full of wise advice and good humor, she was deeply loved on all sides of the House of Commons and sorely missed.
“My condolences to your family and friends.”
Amanda Milling MP, Co-Chair of the Conservative Party, said: “It was incredibly sad to hear that Dame Cheryl Gillan’s MP passed away over the weekend.
“Cheryl had been ill for some time, but fought her illness with great stoicity and grace.
“Cheryl was a dedicated MP and cabinet minister for decades. She made a great contribution to public life and to our party.
“Our thoughts and prayers go with Cheryl’s family and friends.”
Trade Secretary and Conservative MP Liz Truss tweeted, “I am very sorry to hear the sad news about Dame Cheryl Gillan.
“She was a brilliant parliamentarian, a friendly colleague and was great fun. We will miss you. All my thoughts with her family and loved ones. “