Cuban workers have begun a construction project directly in front of the building housing the , a day after massive anti-U.S. protests on the site.

The Reuters news agency quotes U.S. diplomats as saying the aim is to block the view of an electronic ticker that streams human rights messages across the facade of the building. The messages include passages from the Universal Declaration of Human Rights and quotations from human rights leaders such as Martin Luther King, Jr.

Cuban workers told reporters Wednesday they are enlarging the so-called Anti-Imperialist Plaza in front of the U.S. Interests Office. The plaza includes a stage often used for political events.

In an address to hundreds of thousands of protesters Tuesday, Cuban president Fidel Castro accused President Bush of seeking to inflame tensions between the United States and Cuba.

Some information for this report provided by Reuters, AP and AFP.