Venezuelan police fire teargas at election clash
Several hundred students were marching to the election board's headquarters to demand a clean vote, when they were blocked by government supporters who hurled stones, bottles and eggs at them, a Reuters witness said.
Police fired three canisters of teargas towards the 150 or so government supporters and formed a cordon between the two sides.
(Reporting by Deisy Buitrago, Writing by Andrew Cawthorne; Editing by Daniel Wallis and Vicki Allen)