The bus drivers and two female passengers were slightly injured in a collision between two buses this morning.
One of the women, a foreigner, has been certified to be suffering from grievous injuries.
The crash took place at about 8 a.m. on a bus stop near the historic windmill in Naxxar Road, Birkirkara.
The buses, a Bedford Plaxton and a Bedford 1971, were being driven by a 36-year-old from Msida and a 47-year-old from Dingli, respectively.
Eyewitnesses said one of the buses was stationary and boarding passengers when it was hit by the other bus.
Medical teams and rescuers from the CPD were on the scene.