In <a href="https://en.wikipedia.org/wiki/San_Francisco_Bay" id="mw2w" rel="mw:WikiLink" title="San Francisco Bay">San Francisco Bay</a>, <a href="https://en.wikipedia.org/wiki/United_States_Marine_Corps" id="mw3A" rel="mw:WikiLink" title="United States Marine Corps">U.S. Marines</a> from the nearby <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Treasure_Island_Naval_Base" id="mw3Q" rel="mw:WikiLink" title="Treasure Island Naval Base">Treasure Island Naval Base</a> stop a <a href="https://en.wikipedia.org/wiki/Battle_of_Alcatraz" id="mw3g" rel="mw:WikiLink" title="Battle of Alcatraz">two-day riot</a> at <a href="https://en.wikipedia.org/wiki/Alcatraz_Federal_Penitentiary" id="mw3w" rel="mw:WikiLink" title="Alcatraz Federal Penitentiary">Alcatraz Federal Penitentiary</a>.  Five people are killed in the riot.