Officials believe a bomb that killed an investigative journalist in Malta was attached beneath her car and triggered remotely.
A government spokeswoman said this assumption was based on initial findings from a police investigation into the death of the journalist.
Daphne Caruana Galizia, who was known for exposing government corruption, died on Monday in a blast that destroyed her car as she was leaving her house.
One of the journalist’s sons, Matthew Caruana Galizia, on Tuesday used a Facebook post to describe running toward his mother’s car after hearing the explosion, only to see “my mother’s body parts all around me.”
The murder shocked Malta, the smallest nation in the European Union, and Prime Minister Joseph Muscat on Wednesday promised a reward to anyone who came forward with information about the killing.
Ms Galizia’s three sons dismissed the offer, and called instead for Mr Muscat to resign, saying: “People who for as long as we can