Pakistan passenger train derails killing 30

Several carriages of the Hazara Express overturned near Sahara railway station in Nawabshah, about 275 kilometres from the largest city Karachi.

Wounded passengers were moved to nearby hospitals. Rescue teams are trying to free people from the twisted wreckage.

Accidents on Pakistan's antiquated railway system are not uncommon.

Railway Minister Saad Rafiq said initial investigations showed the train was travelling at normal speed and they were trying to establish what led to the derailment.

Needles sticking out from Melbourne train seat causes concern

Anthony Artusa was travelling on the City Loop train through Melbourne on Metro Trains when he apparently sat down on a seat with what he estimated were 20 needles sticking out.

In a tweet, Mr Artusa said: "Word of warning when travelling on @metrotrains. Had a lovely surprise this morning when I sat on a seat with around 20 needles sticking out of it. #NeedlesofMelbourne

Victoria Police and Metro Trains responded to the tweet, stating they were interested in hearing more, and now the train company has said they are looking into it.

At least 18 injured in fire on Hong Kong metro train

The victims have been transferred to local hospitals, although their conditions are not known, Hong Kong officials said.

A 60-year-old man has been arrested and accused of arson, Hong Kong police said at press conference Friday.

The man, whose last name is Cheung, was critically injured and told police he set the fire, authorities said.

Police said they believe the fire was an isolated incident carried out for personal reasons. There is no evidence it was terror-related, they said.