Indonesian police on Thursday arrested four suspected militants believed to have been involved in the gun and bomb assault in the centre of the capital, which killed at least six.
The Jakarta Police has declared first-level security alert in the capital following a series of blasts in downtown area on Thursday.
Indonesian President Joko Widodo on Thursday condemned the attacks in the nation's capital Jakarta and ordered the apparatus to pursue and arrest those involved as well as their network.
Indonesian police shot dead four suspected militants who were part of a bomb and gun attack in the capital, Jakarta, on Thursday and the area is being secured, a police spokesman said.
One policeman and three civilians were killed, and two other policemen were injured after gunmen attacked a traffic police post near a shopping mall here on Thursday, national police spokesman, Brigadier General Anton Charliyan told reporters.
Another explosion was heard near a central Jakarta building attacked by militants on Thursday, a Reuters reporter said.
The first two weeks of the new year have seen new military developments in the region, including the Democratic People's Republic of Korea.
China-Pakistan Economic Corridor will stabilize region, says ambassador
China and the Republic of Korea (ROK) have maintained close communication on the Korean Peninsula nuclear issue, said a Chinese Foreign Ministry spokesperson on Wednesday.
As Seoul announced on Wednesday it was considering deploying the THAAD advance missile defense system, Beijing responded that "hopefully relevant countries will act cautiously and properly to tackle the issue".
The Republic of Korea's military fired warning shots at a drone flying across the border from the Democratic People's Republic of Korea (DPRK), Yonhap news agency reported Wednesday.