Having won nine of their last 12 matches chasing, the initiative was initially with reigning champions India - who had already beaten Pakistan by 124 runs earlier in the tournament - as they won the toss and chose to bowl first on what was otherwise a hot morning on a flat Oval pitch.
Amir and Hasan Ali's three wickets each guided Pakistan to bowl out India for just 158 runs in 30.3 overs.
Earlier, a magnificent maiden one-day global ton by Fakhar Zaman, a 128-run opening stand in which Azhar Ali featured with a composed 59 and first-class management of the middle-overs powered Pakistan to 338 for four.
Fakhar and Azhar produced a stand of 128, the first consecutive opening century partnership by Pakistan in 14 years.
This is Pakistan's first ICC title triumph since their 2009 World Twenty20 win but more importantly it broke the jinx of not performing against India in big ticket matches.
Pakistan captain, Sarfraz Ahmed, lifts the Champions Trophy with his team-mates.
When Hasan Ali had Jasprit Bumrah caught by his captain Sarfraz Ahmed in the 31st over with a nasty bouncer, there were not many Indian fans around at the ground to see the complete collapse of an imposing batting line-up. Pandya did provide a little hope with his 76 runs helping take the reigning champions from 72-6 to 152-7.
"I want to congratulate Pakistan first, they had an awesome tournament".
"Congratulations Pakistan on a really comprehensive victory today".
Caught off a no-ball on three, left-handed opener Fakhar went on to make an impressive 114.
Kohli's dismissal for five following a golden run in the tournament prompted gloom among the India supporters.
Amir struck just three balls into India's reply when, after bowling two outswingers to Sharma, he had him lbw with an inswinger.
Arthur conceded Pakistan were desperate to prove they could go toe to toe with tournament favourites India with the title up for grabs.
India captain Virat Kohli praised Fakhar Zaman's batting approach and said 80 percent of his "high risk shots" came off well.
The mix-up didn't hurt Pakistan in the long-term, as Fakhar's 114 from 106 balls allowed them to post a huge total of 4-338 from their 50 overs.
Ironically, the mark they had to top was the 322 for three made by Sri Lanka in seven-wicket win over India at The Oval on June 8 - the lone group-stage loss suffered by Kohli's side.
But Pakistan veteran Mohammad Hafeez's quickfire 57 not out, including three sixes, took Pakistan well beyond 300.
He was eventually out when he sliced medium-pacer Hardik Pandya and Jadeja, running back from point, held a well-judged catch.
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Constand reiterated what she told the court Tuesday: Cosby had made romantic overtures towards her, but she brushed him off. Constand, 44, of the Toronto area, is expected to take the stand this week and tell her story in public for the first time.
On Friday, the President tweeted he was under "investigation," which he called a " witch hunt " in another tweet. Vice President Mike Pence has hired a private lawyer to represent his interests in the expanding probe.
The start of the negotiations comes as work continues across the British government to prepare Britain for life outside of the EU. The UK wants to begin working out the details of a trade agreement alongside the terms of the withdrawal process.
With a team well balanced by coach Fernando Santos , Portugal outscored opponents 28-4 during that streak, with five clean sheets. He attracted headlines last week after being accused by a Spanish prosecutor of defrauding the country's tax authorities.
The biggest jackpot ever to be up for grabs was £66million in January previous year , which was won by two lucky ticket holders. The jackpot for Saturday's Powerball drawing has grown to an estimated $435 million, the eighth-largest in Powerball history.
The plane landed around 9am local time (2am Irish time), an hour later than scheduled, according to Xinhua . The flight MU744 was descending to land at Kunming Changshui International Airport in Yunnan province.
Two Underground lines near the fire area were partially shut down on Saturday to make sure that debris did not land on the tracks. Some 19 patients are still being treated in hospital, of whom 10 are in a critical condition, the National Health Service said.
Russian Federation inquiry: I'm under investigation
"As the deputy attorney general has said numerous times, if there comes a point when he needs to recuse , he will", Prior said. Rosenstein privately acknowledged that he may need to recuse himself from the investigation, sources told ABC News this week .
Death toll from London inferno rises to 58
The devastating fire may have been so powerful that it destroyed much of the DNA evidence needed to identify its victims. At the very least, the survivors of the fire who have lost their homes must be consulted about where they wish to live.
Death toll climbs to 30 in London Grenfell Tower fire
The tragedy has provoked a big response from nearby communities that have donated food and shelter to the victims. Commander Stuart Cundy of London Metropolitan Police says the death toll from the fire has risen to 58.
Neighbors held inmates at gunpoint until deputies arrived
Marshall's office saying 43-year-old Donnie Russell Rowe and 24-year-old Ricky Dubose were apprehended Thursday in Christiana. Then, just as he prepared for the worst, the inmates took off their shirts and waved them in the air in a sign of surrender.