were sent to the 6th Army, from the armies in quiet areas of the Western Front. Early on 9 May, French aircraft bombed the 6th Army headquarters at La Madeleine en Lille and railway stations in the town, with little effect. By 19 May, German aircraft reinforcements could make reconnaissance flights behind the French front and reported massive concentrations of artillery and the assembly of troops at the Doullens railway station, which were interpreted as signs of another big French offensive. French supporting attacks The French made secondary attacks along the Western Front, to pin down German reserves as part of the general action, intended to complement the decisive action at Arras. The Second Army attacked a German salient west of Serre on a front at Toutvent Farm, south of Souchez, from against the 52nd Division and gained on a front, at a cost of killed; German casualties were On 10 and 19 July, the 28th Reserve Division repulsed attacks near Fricourt. The 6th Army attacked a salient south of Quennevières near Noyon, from and advanced on a front, with the German 18th Division had German attacks in the Argonne from 20 June, captured French positions at La Hazarée and another attack on 13 July, captured high ground west of Boureuilles and near Le Four de Paris. The German attacks took from 20 June. In the south-east, the First Army attacked the Saint-Mihiel salient from 1 May to 20 June. The 9th Division was pushed back to the second line by five French attacks; after several more attacks, the neighbouring 10th Division relieved the pressure on the road, with an attack on the (Les Éparges) on 26 June. The Germans gained a commanding position, from which counter-attacks were repulsed on 3 and 6 July. The French operations gained a small amount of ground for About beyond St Mihiel, The Army Detachment of Lorraine attacked from advancing on a front and then on an front, with On 7 July, the III Bavarian Corps counter-attacked west of Apremont, captured French front trenches and resisted French attacks until 12 July, inflicting many losses. In late June, French attacks captured Gondrexon and next day the German 30th Reserve Division captured a hill at Ban-de-Sapt, until French counter-attacks on 8 and 24 July. The Seventh Army attacked to the west of Colmar from and advanced on a front. Attacks on high ground west of Metzeral