Sum 41 is postponing for an indefinite period of time the rest of the scheduled dates on their "Screaming Bloody Murder" 2011 tour which include October 16th, their Manila concert.

Sum 41 | Photo courtesy of Livemanilaconcert

In a statement, Sum 41 said lead vocalist Deryck Whibley is currently undergoing treatment for a medical condition which was not divulged. Whibley's doctor has ordered him to start a rehabilitation program and to recuperate for the rest of 2011, the band added.

"We are all devastated that our best tour yet has been interrupted." said Drummer Stevo Jocz "Our band lives to be on stage and playing in front of our fans. We never want to let anyone down but the most important thing right now is that Deryck makes a full recovery so we can continue on next year . We’re working as fast as we can to reschedule these dates," Sum 41 said.

Sum 41 was scheduled to perform in a one-night concert at the A-Venue Concert Hall on October 16, 2011.

Sum 41, the world-famous Canadian rock band, will have Manila, Phillipines as stop in their concert tour later this year. The band will be performing in a one-night concert at the A-Venue Concert Hall on October 16, 2011 (Sunday) at 8 p.m.

The Sum 41 Live in Manila Concert 2011 tickets are priced as follows:

Seat Location	Price
VIP	2650
GENERAL ADMISSION	1590

For ticket reservations, please visit ticketnet.com.ph.

Sum 41 is composed Deryck Whibley (lead vocals, rhythm guitar), Jason McCaslin (bass guitar, backing vocals), Steve Jocz (drums) and Tom Thacker (lead guitar, backing vocals). The band has been around since 1996.

They have released a total of 5 studio albums with "Screaming Bloody Murder" as the most recent - released last March, 2011.

Among their popular hits are "Makes No Difference", "Pieces" and Underclass Hero."