Sharp confrontations between protesters and officials began over the weekend in several towns in northern Sichuan. Hundreds of parents whose children died at the Fuxin No. 2 Primary School in the city of Mianzhu staged an impromptu rally on Saturday. They surrounded an official who tried to assure them that their complaints were being taken seriously, screaming and yelling in her face until she fainted.
"Table Talks" are also a species of memoir in which a collector (biographer, colleague, friend, etc.) records impromptu comments made by some personage with the intention of collecting them in anticipation of their lasting value, apart from any intent by the speaker.
impromptu Hide phonetics
done or said without earlier planning or preparation:
an impromptu party/performance