1.   The campaign has been clouded, however, by scores of allegations of vote buying and coercion by PRI operatives.

2.   The campaign had been clouded by corruption scandals involving Congress leaders.

3.   Violence clouds election campaign in Chiapas.

4.   A suave, ambitious politician, Dissanayake had to fend off allegations of corruption which clouded his campaign from the start.

5.   A suave, shrewd politician, Dissanayake had to fend off allegations of corruption which clouded his campaign from the start.