Joshua Wong was being held in custody for breaching his bail conditions and expects to be released after a hearing on Monday.
There were no injuries reported, but outbound flights had to be delayed and inbound flights suspended.
It says this will enable airlines to provide better services to their passengers.
The missing passenger, a Spanish man who opened an emergency door in terminal 2, was later found in terminal 1.
Flight Information Display System at the departure hall functioning again, with people going about almost as normal at KLIA.
Local authorities warn that visits by the likes of former Congress president Rahul Gandhi could stoke tensions in the region.
This follows network equipment replacement undertaken by Malaysia Airports Holdings Bhd.
A request for proposal will be sent out to interested parties next month to study all possibilities.
Smooth immigration checking process, fast internet access and security without inconvenience among things to come.
Five people were detained as protestors overnight harassed and assaulted a visitor and a journalist, according to Hong Kong police.
'I hope it works out peacefully, nobody gets hurt, nobody gets killed,' says US President Donald Trump.
An airport spokesman confirms flights will be resuming, however, protestors are planning to return later today to continue demonstrations.
Discussions are going on with airport operator to allow bigger aircraft to land there.
Airport operator says strong winds damaged airport roof and doors.
Strong winds cause many uprooted trees and damage to properties.
The increasingly violent protests pose one of the gravest populist challenges yet to Chinese leader Xi Jinping.
The man is an active military personnel and the launcher is a souvenir from Kuwait.
The Turkish government is also in the midst of constructing a second runway to double the airport’s airside capacity.
Chief Minister Shafie Apdal says this may become necessary to ease congestion at the Kota Kinabalu International Airport which will reach its 9-million-passenger capacity in the next few years.
AirAsia CEO Riad Asnat says the Board of Airline Representatives has no standing on the issue as its members do not operate from Klia2.
Beijing is set to open an eye-catching multi-billion-dollar airport to accommodate soaring air traffic in China and celebrate the Communist government's 70th anniversary in power.
The pressure group asks Northern Corridor Implementation Authority to engage an independent body that deals with public transportation.
Finance Minister Lim Guan Eng says the mainstream media should not be used as a tool to promote private projects that have not obtained approval or even serious consideration.
The fake passport was detected by the biometric facial recognition system at the Suvarnabhumi Airport.