Candidates in the Philippines have just one more day to register for the presidential election in May. The latest to declare her candidacy is a human rights lawyer and a prominent opposition figure.
Vice President Leni Robredo said, "I will fight for all of you until the very end. I will put everything on the line. I will give everything I have to give."
Robredo has been critical of President Rodrigo Duterte, especially on his excessive use of force in his crackdown on illegal drugs.
Presidents and vice presidents are elected separately in the Philippines and may hold different views.
Already in the race is a former senator and the son of a former dictator. Ferdinand Marcos Jr. refrained from criticizing the Duterte administration when he filed his candidacy on Wednesday.
Duterte is believed to have friendly ties with the Marcos family. His father served in the Marcos administration in the 1960s. He has already announced that he will retire from politics.
But his eldest daughter, Sara Duterte, is seen as a possible presidential candidate.
She is currently the mayor of the southern city of Davao.
Retired boxing legend and current senator Manny Pacquiao and Manila Mayor Francisco Domagoso are also in the race. Registration closes Friday evening.