Anti-graft agents picked up Najib from his home after serving him with a remand order, sources close to the family said.
1MDB, set up by Mr Najib in 2009, was meant to turn the capital, Kuala Lumpur, into a financial hub and boost the economy through strategic investments.
Acording to the Malaysian Insight, former Prime Minister Dato' Seri Najib Tun Razak has just been reportedly arrested at his private residence in Taman Duta.
Sources have said Najib could face multiple charges.
Najib and his wife, who have been questioned over the SRC issue by the anti-graft agency, have been barred from leaving the country. Hundreds of millions of dollars were reportedly found in Najib's personal bank accounts, but he has denied any wrongdoing saying he received $680 million as a donation from Saudi Arabia.
Three years ago, the Wall Street Journal reported that Malaysian investigators had traced the deposit to a state fund 1MDB that Najib founded over a decade ago.
USA investigators say $4.5 billion was stolen and laundered from 1MDB by Najib's associates, including some $700 million that landed in Najib's bank account.
"As a normal human being, I am not ideal but believe me, that the accusations against me and my family are not all true", he said.
The scandal led to a stunning electoral loss in May of Najib's National Front coalition, which had ruled Malaysia uninterrupted since gaining independence in 1957.
The charges are in relation to the suspected mishandling and misappropriation of funds from SRC International, a former unit of state investment fund 1MDB, between 2011 and 2015.
SRC is the initial focus of the Malaysian investigators as all the suspicious transactions involving the firm were made through Malaysian entities, unlike other 1MDB-related transactions that went through foreign banks and companies.
The 64-year-old was beaten in a general election in May by his mentor-turned-foe Mahathir Mohamad, after the scandal became public. Bhd, which is former subsidiary of 1MDB.
The two teams face off at the Otkyrie Arena for a place in the World Cup quarter final. " Prediction: Colombia 1-2 England AET". Extra time finished 1-1 with neither side able to find the back of the net although England finished the stronger of the sides.
An update by Cal Fire on Tuesday said the potential for growth remains high as crews battle the fire in hard terrain. The smoke reached some 120 km south to San Francisco, leaving films of ash on cars and windows.
Additionally, Pete Lau has also confirmed the news that OnePlus plans on producing their first 5G smartphone, by next year. Another major move that OnePlus is planning to make is to be available in partnership with a U.S. carrier.
Spain was more urgent in extra time after being too passive when it dominated the ball in the 90 minutes of regular time. The Real Madrid star did so and it was a fine delivery, but not as good as Sergey Ignashevich made it look.
Ottawa also unveiled Can$2 billion (US$1.5 billion) in aid for the two sectors and their 33,500 workers. Freeland said tariffs on cars would be "absolutely absurd". "It would change the calculus", he said.
The lawsuit claims Trump's order is riddled with caveats and fails to reunite parents and children who already were separated. Jeff Denham, R-Calif., from districts with large numbers of Hispanic voters, helped force Ryan to stage immigration votes.
The reason an exact time is being talked about for launching the Fortnite Rocket is due to it being a live in-game event. For the most part, players watched side by side in a truce for the opportunity to catch the one time launch.
Side A closes with the ironically titled "Is There More" (oh, there is), and Side B gets off to a slow start. The admission caps off a period of intense speculation, but some details are yet to be clarified.
A person familiar with the terms says Gay has agreed to a one-year, $10 million deal to be back in silver and black next season. Marcus Smart (restricted): The Celtics guard is not a great shooter, but he can affect the game in many different ways.
If the Lakers' young players develop quickly, this team will be interesting to watch, but they also could be contenders soon. James averaged 27.5 points, 8.6 rebounds, 9.1 assists and 1.4 steals and shot 54.2 percent from the field this past season.
Samsung has set August 9th for a new Galaxy device launch event with the unveiling set to happen in Brooklyn, New York. To recall, Galaxy Note 8 had a serial number SM-N950, for the Note 7 it was SM-N930, while the Note 5 was SM-N920.
Orders of LeBron James Lakers jerseys spike
But the fact that the father-of-three already owns two homes in Los Angeles was thought to be in the Lakers favour. Howard, 32, was traded to Brooklyn from Charlotte earlier this offseason.
Mexico and Brazil's upcoming match moved to FOX 5 Atlanta
DisharmonyCoach Joachim Low felt there was a degree of arrogance within the squad going into the World Cup (Lee Jin-man/AP). That's not likely to change against Mexico , who are more likely to play on the break the way they did against Germany .
Zlatan Ibrahimovic welcomes LeBron James to Los Angeles
Even without Paul George , who agreed to re-sign with the Oklahoma City Thunder, that makes the Lakers an instant contender. He was a 10-time All-Star, a three-time All-Star MVP, two-time league MVP and, most memorably, the 2016 NBA Finals MVP.
LeBron James and Lakers agree to 4-year deal
Clint Capela and others with six years or less in the league can make a max salary of $25.25 million for the 2018-19 season. Cousins becomes an even more attractive option given that the San Antonio Spurs are not rushing to trade Kawhi Leonard .
OPEC's meeting on 22 June likely to increase crude output
President Donald Trump repeated criticism of OPEC in another tweet on Wednesday, blaming the group for keeping prices too high. Official US production and inventory data is due to be published on Wednesday by the Energy Information Administration (EIA).
Samsung, Apple reach settlement over design dispute
The legal dispute between the two tech giants started in 2011 when Apple sued Samsung , who countersued Apple the same year. The amount of damages due APPLE has been bounced around through a series of appeals for years.