Praying for a miracle, hundreds attended church services in Greymouth on Sunday morning.

There is a growing sense of despair among the families of the 29 miners who have been trapped at Pike River since Friday.

The hole being drilled by Pike River mine rescuers could allow the miners to communicate with people on the surface.

While residents gather and families worry, hospital staff and funeral directors prepare themselves for all scenarios.

A second night passes with no word from the 29 trapped miners in the Pike River mine. Families cling to hope as experts fear the worst.

There will be no attempt to rescue 29 miners trapped in a West Coast mine tonight, with no further air quality sampling until tomorrow.

West Coast mine blast survivor suffers a double tragedy after his brother was trapped, and his grandfather died.

An Australian mine expert says there is no urgent need to reach the trapped miners "at this point in time", backing the Pike River rescue approach.

With luck, the country will receive news that the brave 29 are back above ground and telling tall tales over a beer.

Police say a bid to rescue or recover 29 miners trapped in a West Coast coal mine is on hold, and could begin at any time over the next two days.

Mining companies around the world face a constant struggle to avoid accumulations of methane gas and coal dust underground.

The two men who managed to get out of the Pike River mine clambered up a narrow chimney to escape.

29 miners remain trapped underground after yesterday's blast at Pike River Coal's West Coat mine.

The Herald's energy reporter, who has visited Pike River, reflects on the project's delays, and now disaster.

Cabinet ministers were last night travelling to the Pike River Mine, as the Government offered assistance in the rescue of the trapped miners.

Methane gas has long been identified as a potential problem for the Pike River Coal mine, as rescuers scramble to find up to 27 missing miners.