The Palestinians have begun legal action against two prominent French companies [Alstom, which will provide the train carriages, and Veolia Transport, the public transport operator] in an attempt to stop work on a contested light-railway project in Jerusalem...the Palestine Liberation Organisation...argues that the railway will breach the fourth Geneva convention by providing infrastructure to Jewish settlements on occupied land..."This tram will constitute at least an element in the expansion of the colonisation of East Jerusalem by the state of Israel," the Palestinian delegation said in a statement...Spokesmen for Alstom and Veolia said yesterday that they had no comment.