ALAPPUZHA: Two people were killed after two cars collided on the Alappuzha bypass Tuesday early morning. They have been identified as Babu (40) and Sunil (40), natives of Ernakulam. Seriously injured Milton and Joseph have been admitted at a nearby hospital. The accident happened at 2 am this morning. On the Alappuzha bypass which is only two lines wide, accidents are common when vehicles overtake.