Spark 1.6.1 artifacts not found in S3 bucket / direct download

Getting below error while deploying spark on EC2 with version 1.6.1

[timing] scala init: 00h 00m 12s
Initializing spark
-2016-03-14 07:05:30- http://s3.amazonaws.com/spark-related-packages/spark-1.6.1-bin-hadoop2.4.tgz
Resolving s3.amazonaws.com (s3.amazonaws.com)... 54.231.50.12
Connecting to s3.amazonaws.com (s3.amazonaws.com)|54.231.50.12|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2016-03-14 07:05:30 ERROR 404: Not Found.

ERROR: Unknown Spark version
spark/init.sh: line 137: return: -1: invalid option
return: usage: return [n]
Unpacking Spark
tar (child): spark-*.tgz: Cannot open: No such file or directory
tar (child): Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error is not recoverable: exiting now
rm: cannot remove `spark-*.tgz': No such file or directory
mv: missing destination file operand after `spark'
Try `mv --help' for more information.

Checked s3 bucket spark-related-packages and noticed that no spark 1.6.1 present