The suspects had previously been involved with Islamic State group extremists in "conflict zones", state-run news agency Anadolu said without giving further detail.
The militant, identified as Abu Siddiq Sohel, 34, a member of the al Qaeda-inspired militant group Ansar Ullah Bangla Team, is suspected of taking part in the killing of writer Avijit Roy.
Foreigners staying in hotels in Malaysia will soon need to pay a new tax, the country's tourism and culture minister said on Wednesday.
Saudi Arabia on Thursday said it had begun taxing foreigners working in the private sector as part of fiscal reforms aimed at coping with a drop in oil revenues.
Bangladesh security forces on Tuesday arrested two members of an Islamist militant group blamed for a deadly attack on a cafe in Dhaka in July in which 22 people were killed, most of them foreigners.
Taiwan prosecutors are seeking a 12-year prison term for each of three foreigners accused of stealing 83mn Taiwan dollars ($2.6mn) from hacked cash machines in Taiwan in July, state media reported on Tuesday.
A court in Bangladesh formally charged 38 people with murder on Monday in connection with the 2013 collapse of the Rana Plaza building which killed 1,135 people in the country's worst industrial disaster.
An Asia-Pacific money laundering group has moved its meeting out of Bangladesh citing security concerns, 10 days after militants stormed a cafe in the capital and killed 20 people, mostly foreigners.
The Afghan Taliban's new leader Mawlawi Haibatullah Akhundzada said Saturday, in his first ever message for the Muslim holiday Eid al-Fitr, that peace is only a possibility ...