1.   On Saturday, police were called when several motorists locked their cars and tried to blockade the entrance to stop passengers with pre-paid tickets getting on.

2.   They were stopped by police who blockaded the entrance and many broke down in tears, said Lam.

3.   In San Francisco, activists attached themselves to half-tonne cement blocks to blockade the entrance of the Bank of California.

4.   After about two hours of blockading the entrance to the building, the crowd eventually dispersed after receiving pledges that they would be paid.