PML-Q chief Chaudhary Shujaat Hussain and senior leader Chaudhary Pervaiz Elahi reached London on a private tour during which the heart check up of the latter will be carried out. Later, the PML-Q leaders will proceed for Germany regarding medical checkup of Chaudhary Shujaat Hussain who visit Germany after every four month, said the close associates of PML-Q on Sunday.