Several people have been detained in Iran over the accidental shooting down of a Ukrainian passenger plane with a missile, the country’s judiciary says.

Spokesman Gholamhossein Esmaili said investigations into the incident were continuing, but provided no details.

President Hassan Rouhani said the probe would be overseen by a “special court”.

Ukrainian International Airlines flight PS752 was brought down shortly it took off from Tehran on Wednesday, killing all 176 people on board.

Most of the victims were Iranian and Canadian citizens.