Is there a Christian response to dying in dignity or assisted suicide?

There is a raging debate in the province of Quebec on the question "Does someone have the right to kill another because the first one is suffering?" There are more and more cases in the news that look like the following that arrived just yesterday. Here is a video of an example : http://www.cbc.ca/video/#/News/Canada/Montreal/1305551527/ID=2213970096 Does the Bible tackle the issue? From an evangelical perspective how do I answer this question/issue? **Edit :** I'm looking to a way to answer a fellow Christian with little knowledge of the Bible, and a non-Christian as well. The question is not simply assisted suicide, but it's implied therapeutic relentlessness as well.