Lawmakers alleged that the witnesses' refusing to testify was a stalling tactic.
The two were questioned looking into whether Samsung paid bribes to get national pension fund to approve a merger.
A US Navy destroyer fired three warning shots at four Iranian fast-attack vessels near the Strait of Hormuz.
Syrian opposition groups however have yet to confirm their participation in the upcoming talks brokered by Ankara and Moscow.
Widodo's moves came after General Gatot Nurmantyo unilaterally suspendeded defence cooperation with Australia.
Pakistan's military said the Babur Cruise-3 missile was fired from the Indian Ocean and hit its target.
East Timor plans to negotiate a larger share of the oil and gas wealth in the seabed with Australia by restarting talks on a maritime boundary.
Several rebel groups warned that the escalation meant the collapse of ceasefire brokered by Russia and Turkey.
The DPRK declared it could test-launch an intercontinental ballistic missile at any time from any location.
The scandal could trigger the first reshuffle of Prime Minister Malcolm Turnbull's Cabinet reelected six months ago.