article_snippet.sent: An investigation was immediately launched into the incident that is understood to have been a classroom prank.
article_snippet.sent: Immediate action was taken to assess the student and the risk of serious harm.
article_snippet.sent: our have reported the incident to the Police and two students have been temporarily excluded.'
article_snippet.sent: The incident was said to have happened during a science lesson at the specialist science college .
highlights_snippet.sent: Headteacher says two pupils have been temporarily excluded over incident .