LONDON (AP) — The government of British Prime Minister Liz Truss is teetering on the verge of collapse, just hours after she vowed to keep governing. Truss told lawmakers she was “a fighter and not a quitter” in a defiant statement in the House of Commons, Soon after, a senior member of the government left her post with a fusillade of criticism at Truss, and a House of Commons vote descended into acrimony and accusations of bullying, Home Secretary Suella Braverman quit with an attack on Truss, saying politicians must accept “responsibility for their mistakes.” Later, a Commons vote on fracking was marred by chaotic scenes and allegations that party officials had tried to strong-arm lawmakers.