Washington: United States (US) Secretary of State John Kerry condemned Safoora Chowrangi massacre that left forty six people dead and several wounded, after multiple gunmen stormed a passenger bus. Kerry said US is ready to assist Pakistan in investigation. In a statement, US Secretary said that people of the US are with people of Pakistan. He said the United States expresses full sympathy with long term friend Prince Agha Karim Khan and victims of the massacre. He said US is prepared to assist Pakistan in investigation of the massacre.