The Taal Volcano in the Philippines, which has forced the displacement of at least 6,000 people, has adversely affected air traffic in the country’s capital Manila.

Authorities at the Ninoy Aquino International Airport said at least 516 flights were affected since early Sunday and that they expected operations to resume by Monday evening, according to a report on online news site

Philippines officials evacuated more than 6,000 residents from affected areas after a volcano in Batangas province south of the capital Manila blasted steam and ash on Sunday.

The incident has forced authorities to close Manila airport and suspend financial activities

Read more: Philippines: Volcano halts air operations in capital