Killzone 1 release on PS3 delayed indefinitely

Killzone 1 for Playstation 3 has been delayed indefinitely by Sony. The announcement was made on official Killzone Twitter account. The first tweet on official Killzone twitter account reads, "With regards to KZ1 for PS3, not sure what happened but I've been informed that it's been delayed indefinitely."

Another tweet reads, "I have no further info about KZ1 for PS3, save for the fact that it's delayed indefinitely. If I learn anything else, I'll tweet it here."

According to you what might be the reason behind this indefinite delay of Killzone 1 for PS3?, let us know in the comment section below.