Sharif and his daughter Maryam Nawaz were sentenced to prison in a corruption case on July 6 along with Maryam Nawaz's husband Captain Safdar.
A special helicopter is on standby at New Islamabad Airport. Local media said they were then taken to Adiala jail in the nearby garrison town of Rawalpindi.
Underscoring the tensions gripping Pakistan in the run-up to the poll, a suicide bomber had killed more than 100 people at an election rally a few hours earlier, in the deadliest such attack in the country in more than three years.
PML-N members have said the crackdown on workers who handle street level organizing will make it harder for them to stage rallies and protests on Sharif's return, when he will challenge the verdict and sentence against him.
Both Nawaz and Maryam will be shifted to Sahala Resthouse.
Shehbaz Sharif and other senior leaders of the PML-N were visibly angry over the police crackdown on their party workers during a press conference held in Lahore on Thursday afternoon. Police have virtually put Lahore on lockdown as scores of Sharif's supporters clashed with police in the evening.
"But I want the Pakistani nation to know that I am doing this for you", Sharif said in a video.
Sharif returned from Britain after an anti-corruption court handed him a 10-year jail term and sentenced his daughter and political heir to seven years in prison for failing to prove that money used to buy luxury flats in London in the 1990s was not ill-gotten.
Urging the Election Commission of Pakistan (ECP) to take notice of the emerging situation, the PML-N president said, "By the time our workers are released polls will be over".
Speaking on the bad state of Pakistan's economy, he said our economy is on the verge of decline, the stock exchange is going down, our reserves can support only one month's import now, our investors went back to London and Dubai wondering what would happen on 25 July in Pakistan.
The National Accountability Bureau (NAB) has already announced that the father-daughter duo will be arrested as soon as their aircraft lands in Lahore and will be sent to Islamabad on a helicopter.
Sharif's return comes at a time of dwindling fortunes for his party, which one year ago was considered a run-away favourite to retain power.
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Hardik Pandya , who shone with the ball earlier with a four-wicket haul, also made a significant contribution with the bat. India will take on England in the third and final Twenty-20 global of the series at County Ground in Bristol .
That goal was cancelled out by a second-half Ivan Perisic equalizer to ensure the sides were tied at 1-1 after 90 minutes. We've always known when it will be played-Sunday, July 15-but we now know who will contest it, too: France and Croatia .
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Between 1996 and 2005, some 33 recovery operations were conducted in North Korea which saw 200 sets of remains returned. Add North Korea as an interest to stay up to date on the latest North Korea news, video, and analysis from ABC News.
Japanese Prime Minister Shinzo Abe said 54,000 personnel had been mobilized for search-and-rescue efforts, NHK reported. The Fire and Disaster Management Agency said that 122 people have been confirmed dead as of early Tuesday.
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Bonnie Watson Coleman (D-N.J.), a member of the House Oversight Committee, interjected at one point during Gowdy's questioning. House Judiciary Committee Chairman Bob Goodlatte (R-VA) ordered Strzok to answer Gowdy's question.
London awaits Trump's visit, braces for protests
Trump's wife is also concerned about how the British people will be viewing her and her husband during the trip. Many thousands of Britons are expected to protest against Mr Trump in London and other cities.
Season of Big Bash was expanded
Female Rebel BBL starts their season from the 9th f December, which is 10 days earlier from the male season of KFC BBL games. Fans of cricket across the world can see the online stream at the official Australian cricket website, and throw its app.