Police describe Stephen Archer - who is wanted after a woman was set on fire - as "dangerous and unstable".
Detectives say Stephen Archer may be carrying several bottles of petrol
Police are hunting a 50-year-old man after a woman was doused in petrol and set alight in Manchester
.Officers fear Stephen Archer, 50, may be carrying several petrol bombs after attacking a woman reported to be his sister.
They described him as "particularly dangerous and unstable" and said he was "obsessed" with petrol.
The inside of the house where the woman was set alight
Police were called to an address in Surbiton Road, Newton Heath, shortly before 9.45am on Monday.
A 19-year-old woman escaped unharmed from an upstairs window with help from neighbours.
A CCTV image of a man cycling away from the scene
"We can assure her and the wider public that we are doing all that we can to try and find the person responsible. We have a large multi-skilled team currently searching for Stephen Archer.
"We believe Stephen may have links to Openshaw, where he lives, and the Marple and Romiley areas where we know he has connections. Our search, however, is not limited to those areas.
The window of the house in Surbiton Road, Newton Heath
Police are treating the incident as attempted murder.
Addressing Archer, Supt Nawaz added: "Stephen, if you should see this appeal, come and talk to police.
"We can end this situation in a calm manner and find out what led to this tragic situation."