x Court-House, also met the train at Arlington mills, bringing information that troops were arriving at Fairfax Court-House from Manassas Junction.--He was standing on a hill near Fairfax, heard drums beating and saw a number of tents, when he thought it best to return.
Another report says that three companies arrived at Fairfax this morning.
Movements towards this point from Fairfax are apprehended in some quarters.
The names of the prisoners arrested are Wm. Temple Walker and George McMills.--Walker has a bad countenance.
He has been recognized by Capt. Medlar, Provost Marshal, as one to whom he several times refused a pass.
It is understood that McMills has stated since his arrest that Walker had threatened to shoot Capt. Medlar.
Information was received this evening that a coal schooner, which sailed heuce on Friday, and which ran ashore below, was set on fire by a United States vessel.
Affairs in Alexandria. Alexandria, June 15.
--Mr. Dickens, who has