The usage time is logged when a bicycle is returned to a dock, with additional charges if the bikes have been out past the allotted time.

WSJ: NYC launches bike share program, largest in nation

Both men, who deny the charges, appeared in the dock for the final preliminary hearing before their trial begins.

BBC: Thomas Sharkey Snr, Bridget and Thomas Jnr

There was a scuffle in the dock as Ahmed struck out at Mohammed Hussain when he was cleared of the charges against him.

BBC: Oxford