The Vietnamese ambassador in Jakarta has assured that all Vietnamese in the Indonesian capital are safe after Thursday’s deadly attacks, and Vietnam Airlines said services to the country won’t be affected.

Hoang Anh Tuan told Tuoi Tre newspaper that while reports as of Thursday afternoon showed all Vietnamese to be safe, “We are still working with police and local authorities for updates.”

He said the embassy was “prepared for the worst scenario” and has provided a hotline to provide support.

Vietnam Airlines issued a statement Thursday night saying its flight from Ho Chi Minh City landed at 1 p.m. (Jakarta time) Thursday while another left Jakarta the same day.

Vietnam’s foreign ministry spokesperson Le Hai Binh Thursday offered condolences to the Indonesian government and the victims’ families.

He denounced the attacks, saying “we strongly believe that those responsible for the attacks will be rightly punished.”

Reuters reported that Islamic State has released a statement claiming responsibility for six bomb blasts and a gunfight in the center of Jakarta.

An Indonesian and a Canadian were killed in the attack along with the five attackers. Twenty people, including an Algerian, Austrian, German, and Dutchman, were wounded.