...and so relieve Banks; McDowell was ordered to lay aside his movement on Richmond and put 20,000 men in motion for the Shenandoah valley, to capture Jackson, either with or without the co-operation of Fremont , informing McClellan of these orders at 4 p. m. of the 24th, adding, the enemy are making a desperate push on Harper's Ferry. On the 25th the alarm at Washington increased as Jackson drove Banks fr...