The Philippines has cut off communication with the International Criminal Court after it refused to suspend an investigation into the war on drugs.
The Philippine archipelago is hit by an average of 20 tropical cyclones each year.
The death toll from floods and landslides caused by a tropical storm in the Philippines has hit 98, with 63 persons still missing, the national disaster agency said.
Mr Estorial said he and two other persons – still at large – were approached by an unnamed person to kill the journalist.
Percival Mabasa was inside his car, in front of his Las Pinas home, when he was killed by two assailants on a motorcycle.
