There are lots of interesting implications in the opening verses. Lamentations is either written during the brief period between the first capture of Jerusalem and its final destruction, or it is an imagining of the holy city by those in exile in Babylon who do not know -- or do not wish to believe -- that God's holy city has been destroyed. More important than this, though, is the clear understanding that the destruction and exile has been allowed by God as a righteous punishment for the past mistakes of God's chosen people.
[links to Bible Gateway open in a new window]Reading the Bible in Its Entirety
If you are planning to read the Bible in its entirety, you should read Lamentations 1 today.