(ROUGH CUT ONLY - NO REPORTER NARRATION)<br/> <br />At least 20 passengers were killed and several others injured when a bus crashed near Sheikhupura in Punjab province, eastern Pakistan late on Monday (March 26), local media reported.<br/> <br />Local media added that 55 passengers were on board and quoted witnesses saying the vehicle rolled several times before coming to a standstill.<br/> <br />The bus was heading for Lahore, the capital of Punjab province.<br/> <br />Road accidents are common in rural Pakistan, with bad roads and rules that are not strictly enforced.<br/> <br />Over 30 students were killed in a school bus accident in the Chakwal district of Punjab province last year.