Prime Minister Shehbaz Sharif will fly home from London today, reported 24NewsHD TV channel on Sunday.
As per the official sources, his departure to Pakistan was delayed after he suffered backache.
The prime minister was fatigued by continuous air travel for several hours.
He consulted with his physiotherapist who advised him to rest.
Prime Minister Shehbaz Sharif said on Twitter that Nawaz Sharif was not just his leader and elder brother but also a pillar of strength for him.
He added that his affection and love was a source of confidence and guidance for him.