Already at the end of June there were signs that the Boers realised how helpless Lord Roberts was until his remounts should arrive. The mosquitoes buzzed round the crippled lion. On June 29th there was an attack upon Springs near Johannesburg, which was easily beaten off by the Canadians. Early in July some of the cavalry and mounted infantry patrols were snapped up in the neighbourhood of the capital. Lord Roberts gave orders accordingly that Hutton and Mahon should sweep the Boers back upon his right, and push them as far as Bronkhorst Spruit. This was done on July 6th and 7th, the British advance meeting with considerable resistance from artillery as well as rifles. By this movement the pressure upon the right was relieved, which might have created a dangerous unrest in Johannesburg, and it was done at the moderate cost of thirty-four killed and wounded, half of whom belonged to the Imperial Light Horse. This famous corps, which had come across with Mahon from the relief of Mafeking, had, a few days before, ridden with mixed feelings through the streets of Johannesburg and past, in many instances, the deserted houses which had once been their homes. Many weary months were to pass before the survivors might occupy them. On July 9th the Boers again attacked, but were again pushed back to the eastward.