BUFFALO, N.Y. — Systems are back up and running in a majority of Buffalo school buildings following the recent cyberattack.

Buffalo Public Schools says as of Monday afternoon, 54 of 67 locations have no disturbances to their internet or wireless systems.

On Tuesday, all staff will report to their sites as normal but students will remain at home. Students will get a message from their school about logging on for office hours so they can learn a new log in process and have asynchronous learning.

Students will have a full day of remote instruction Wednesday.

The district says it's currently working with cybersecurity experts, as well as the FBI and local law enforcement, to investigate the origins of the Friday morning attack.

The investigation into the incident is expected to take at least two weeks.