Charred human remains have been found in a burned-out cabin where a fugitive former police officer was believed to be, US police have confirmed.

The extraordinary manhunt for the former Los Angeles policeman suspected of three murders converged on a mountain cabin where it is believed he barricaded himself inside, engaged in a shoot-out that killed a deputy and never emerged as the home went up in flames.

A fugitive ex-Los Angeles cop sought in three killings was barricaded in a cabin in the San Bernardino Mountains last night after a shootout with authorities that wounded two officers.

A fugitive ex-Los Angeles police officer wanted for three killings is barricaded in a cabin in the Southern California mountains, authorities said today.