Dhaka, Feb. 11 -- Hungarian President Katalin Novak resigned on Saturday after coming under mounting pressure for pardoning a man convicted of helping to cover up sexual abuse in a children's home.

Novak, a close ally of conservative Prime Minister Viktor Orban, resigned a week after her presidential pardon was first reported by local news site 444.hu.

The revelation caused a public uproar and demands from the opposition for her and former Justice Minister Judit Varga to quit. Varga, who has been a rising star in Orban's ruling Fidesz party, resigned as a lawmaker on Saturday.

The scandal was a rare setback for Orban, who has been in power since 2010, and who faces European parliament elections just as the country emerges from an infla...