The bombers also died. "Five policeman, one of whom was killed", Syafruddin said.
The explosions occurred at the Kampung Melayu bus terminal.
This week's attacks would "put pressure on the president" to act, Tim Lindsey, a professor of Asian law at the University of Melbourne, said after the blasts.
The MIT is behind several terror attacks in Indonesia since 2012, including skirmishes with security forces during which police officers and people in Central Sulawesi were killed.
"The situation turned chaotic and then the second explosion was heard", she said.
Meanwhile, Malaysia's Ambassador to Indonesia Datuk Seri Zahrain Mohamed Hashim has advised Malaysians residing in Indonesia to remain alert and stay away from public places or heavily guarded areas. No group has yet taken responsibility for the attack.
National police spokesman Kommissioner Martinus Sitompul told a local television station authorities found body parts near bomb fragments that were categorized as middle-high explosives.
But with police crackdowns neutralizing numerous country's major terrorist cells in recent years, attacks have tended to become far smaller in scale and directed at police officers - especially unarmed ones directing traffic.
Meanwhile, speaking after the funeral of officer Taufan Tsunami, Metro Jaya Police Chief Brig.
"There were two blasts at around 9:00pm (local time), close to each other, there are three victims", Andry Wibowo said.
The attack was the deadliest in Jakarta since a suicide and gun strike in January 2016 that left four civilians and four assailants dead.
Indonesia, which holds one of world's largest Muslim populations, has been wary of a resurgence in radical Islamism as ISIS has renewed its efforts to recruit militants from the country.
"Coming just days after the horrific attack in Manchester and in the lead up to Ramadan, this is yet another criminal assault that highlights terror respects no religion, race or country", he said in a statement.
A sustained crackdown weakened the most risky networks but the emergence of IS has proved a potent new rallying cry for radicals.
Hundreds of radicals from Indonesia, the world's most populous Muslim-majority country, have flocked overseas to fight with IS, and the country has seen a surge in plots and attacks linked to the jihadists over the past year.