The Panamanian government has ordered schools toclose and government offices to reduce their opening hours as the country suffers from a power shortage.
Their best opportunity in the opening 45 minutes fell to Emmanuel Eboue, but his deflected shot fromclose range bounced off the arms off Mark Schwarzer.
McCann, who limped out midway through the opening half, headed over from a corner while Martin Paterson went extremely closeto a second goal with a curling 20-yard strike after cutting in from the right flank.
Perm needed two goals and came closeto breaking the deadlock in the opening 20 minutes with midfielder Vitali Grishin going closefrom a shot inside the penalty box.
Former Barcelona star Eto'o had begun his evening by wasting an opportunity to put his side further ahead in the opening skirmishes as a John Terry mistake left him to head tamely at Ross Turnbull fromclose range.