OTTAWA—Liberal MP William Amos has once again been caught unawares on webcam. “Last night, while attending House of Commons proceedings virtually, in a non-public setting, I urinated without realizing I was on camera,” the Quebec MP wrote in a statement posted to Twitter late Thursday night. “I am deeply embarrassed by my actions and the distress they may have caused anybody who witnessed them,” wrote Amos. “While accidental and not visible to the public, this was completely unacceptable, and I apologize unreservedly.” He added that he is temporarily stepping away from his role as parliamentary secretary to Industry Minister François-Philippe Champagne and from his work as a member of the House of Commons veterans’ affairs committee so that he can get help. “I will continue to represent my constituents and I’m grateful to be their voice in Parliament,” wrote Amos, who has represented the riding of Pontiac since 2015. “I …