Pakistan Peoples Party (PPP) senior leader and barrister Aitzaz Ahsan said on Tuesday that he apologised for his earlier remarks pertaining to Begum Kulsoom Nawaz's illness, hours after the former first lady breathed her last at a London hospital.
In a statement, Prime Minister Imran Khan, a bitter rival to the Sharifs whose PTI handily beat the outgoing PML-N at a general election in July, said Nawaz Sharif and his daughter would be "provided all facilities that they are entitled to under law".
The couple has four children: Maryam, Asma, Hassan and Hussain out of which only Maryam is involved in mainstream Pakistani politics. Kulsoom, who was under treatment at London's Harley Street Clinic since June 2014, was placed on life support earlier Tuesday as her health deteriorated, Geo TV reported.
Confirming the news Sharif's brother and the head Pakistan Muslim League-N, Shahbaz Sharif, tweeted from his party's official Twitetr handle in Urdu, "My sister-in-law and the wife of Nawaz Sharif sahib is no more amongst us".
The three-time former first lady was diagnosed with early-stage lymphoma in August a year ago and had been in London since, where she underwent multiple surgeries and at least five chemotherapy sessions. Born into a Kashmiri family in Punjab, she graduated from Forman Christian College University.
Her husband and former prime minister, Nawaz Sharif, along with her daughter Maryam Nawaz is serving a jail sentence at Adiala Jail in Rawalpindi.More news: Wildfire that closed key California highway explodes in size
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Over the last 30 years, she had stood by her husband and advised him on various government affairs.
In a 2012 interview with a local weekly, Maryam had said her mother "dauntlessly challenged the usurper when a lot of men backed out..."
Arif Alvi condoled the bereaved family.
Army Chief Gen. Qamar Jawed Bajwa also expressed grief over Kulsoom's death and extended condolences to her family.
"May Allah bless the departed soul eternal peace at Heaven", he remarked.
"The Pakistan High Commission in the United Kingdom has been directed to provide all possible assistance to facilitate the heirs of Mrs. Kulsoom Nawaz", his office said in a statement.