diff --git a/CSSParser.php b/CSSParser.php
index 54779275..6f1aab76 100644
--- a/CSSParser.php
+++ b/CSSParser.php
@@ -88,7 +88,17 @@ private function parseAtRule() {
 			$this->consume(';');
 			$this->setCharset($sCharset->getString());
 			return new CSSCharset($sCharset);
-		} else {
+    } else if($sIdentifier === 'namespace') {
+      if($this->comes('"') || $this->comes("'") || $this->comes(('url'))) {
+        $oNamespace = new CSSNamespace($this->parseURLValue()); 
+      } else {
+        $sPrefix = $this->parseIdentifier();
+        $oNamespace = new CSSNamespace($this->parseURLValue(), $sPrefix);
+      }
+      $this->consumeWhiteSpace();
+      $this->consume(';');
+      return $oNamespace;
+    } else {
 			//Unknown other at rule (font-face or such)
 			$this->consume('{');
 			$this->consumeWhiteSpace();
@@ -210,7 +220,8 @@ private function parseRuleSet($oRuleSet) {
 	private function parseRule() {
 		$oRule = new CSSRule($this->parseIdentifier());
 		$this->consumeWhiteSpace();
-		$this->consume(':');
+    $this->consume(':');
+    $sRule = $oRule->getrule();
 		$oValue = $this->parseValue(self::listDelimiterForRule($oRule->getRule()));
 		$oRule->setValue($oValue);
 		if($this->comes('!')) {
@@ -226,7 +237,7 @@ private function parseRule() {
 			$this->consume(';');
 		}
 		return $oRule;
-	}
+  }
 
 	private function parseValue($aListDelimiters) {
 		$aStack = array();
diff --git a/lib/CSSProperties.php b/lib/CSSProperties.php
index 15c9edbd..43a527e8 100644
--- a/lib/CSSProperties.php
+++ b/lib/CSSProperties.php
@@ -52,6 +52,44 @@ public function __toString() {
 	}
 }
 
+/**
+ * Class representing an @namespace rule.
+ * The following restrictions apply:
+ * <ul>
+ *   <li>May not be found in any CSSList other than the CSSDocument.</li>
+ *   <li>May only appear after all @import rules and before other @rules.</li>
+ * </ul>
+ */
+class CSSNamespace {
+  private $sPrefix;
+  private $sURI;
+
+  public function __construct($sURI, $sPrefix=null) {
+    $this->sURI = $sURI;
+    $this->sPrefix = $sPrefix;
+  }
+
+  public function getURI() {
+    return $this->sURI;
+  }
+  public function setURI($sURI) {
+    $this->sURI = $sURI;
+  }
+
+  public function getPrefix() {
+    return $this->sPrefix;
+  }
+  public function setPrefix($sPrefix) {
+    $this->sPrefix = $sPrefix;
+  }
+
+  public function __toString() {
+    $sPrefix = $this->sPrefix ? ' '.$this->sPrefix : '';
+    return "@namespace" . $sPrefix . ' ' . $this->sURI . ';';
+  }
+
+}
+
 /**
 * Class representing a single CSS selector. Selectors have to be split by the comma prior to being passed into this class.
 */
diff --git a/tests/bugs/GH27_Test.php b/tests/bugs/GH27_Test.php
new file mode 100644
index 00000000..b5f8435c
--- /dev/null
+++ b/tests/bugs/GH27_Test.php
@@ -0,0 +1,31 @@
+<?php
+require_once __DIR__.'/../../CSSParser.php';
+/**
+ * Test case for GH27
+ * https://github.com/sabberworm/PHP-CSS-Parser/issues/27
+ */
+class GH27_Test extends PHPUnit_Framework_TestCase
+{
+  /**
+   * @dataProvider testNamespacesProvider
+   **/
+  public function testNamespaces($sCss, $sExpected)
+  {
+    $oParser = new CSSParser($sCss);
+    $oDoc = $oParser->parse();
+    $this->assertEquals((string)$oDoc, $sExpected);
+  }
+  public function testNamespacesProvider()
+  {
+    return array(
+      array(
+        '@namespace "http://www.w3.org/1999/xhtml";',
+        '@namespace url("http://www.w3.org/1999/xhtml");',
+      ),
+      array(
+        '@namespace svg "http://www.w3.org/2000/svg";',
+        '@namespace svg url("http://www.w3.org/2000/svg");',
+      )
+    );
+  }
+}
diff --git a/testsuite.xml b/testsuite.xml
new file mode 100644
index 00000000..aefc932b
--- /dev/null
+++ b/testsuite.xml
@@ -0,0 +1,11 @@
+<phpunit>
+  <testsuites>
+    <testsuite name="PHP-CSS-Parser Tests">
+      <file>tests/CSSDeclarationBlockTest.php</file>
+      <file>tests/CSSParserTests.php</file>
+    </testsuite>
+    <testsuite name="PHP-CSS-Parser Bugs">
+      <directory>tests/bugs</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>