Photos: Fog descends on Mercyhurst

A thick fog covered Mercyhurst College’s campus for much of Thursday morning as students walked to class.

Merciad photo: Egan Hall and Old Main are obscured by a layer of fog Thursday, April 7, 2011, at Mercyhurst College.Merciad photo: Egan Hall and Old Main are obscured by a layer of fog Thursday, April 7, 2011, at Mercyhurst College.

Merciad photo: Students walk to class through a thick layer of fog Thursday, April 7, 2011, at Mercyhurst College.Merciad photo: Students walk to class through a thick layer of fog Thursday, April 7, 2011, at Mercyhurst College.