Live coverage: Multiple explosions in Jakarta
The Australian government has condemned the deadly attacks in downtown Jakarta and has offered Indonesia any support it needs to respond to the attacks. 
Foreign Minister Julie Bishop made the offer in a phone call to her Indonesian counterpart Retno Marsudi on Thursday after at least seven people were killed in a string of explosions in the city's centre.
"The Australian government condemns the attacks in Jakarta today," Ms Bishop said in a statement.
"Our embassy is making urgent enquiries with local authorities to determine whether any Australians have been affected.
"This incident is still unfolding and it is too early to determine the scale of damage or extent of casualties."
Indonesia has been on edge over the threat posed by Islamist militants and counter-terrorism police have been cracking down on people with suspected links to Islamic State.
Australia's ambassador to Indonesia, Paul Grigson, took to Twitter to urge people to avoid affected areas around the Sarinah Mall, on one of Jakarta's main thoroughfares.
"All Australians should stay clear of these areas, limit their movements and follow instructions of local authorities," he instructed.
The Department of Foreign Affairs and Trade also updated its Indonesian travel advice with information about the attacks.
However the overall level of advice has not changed, with DFAT still advising Australians to exercise a high degree of caution in the country.
Any Australians who have concerns for the welfare of family and friends in the area can call the Department of Foreign Affairs and Trade's 24 hour emergency centre on 1 300 555 135 or +61 2 6261 3305 (if calling from overseas). 
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