Delta Airlines flight 1086 has skidded off a runway while landing at LaGuardia Airport in New York during a snowstorm today.

7.25pm update:Six people were slightly hurt, said Joe Pentangelo, a spokesman for the Port Authority of New York and New Jersey, which runs the airport.

JUST IN: FDNY responds to report of plane skidding off runway at NYC's LaGuardia Airport http://t.co/apSpyKCEMo pic.twitter.com/5yTSpbQYQs — CBSN (@CBSNLive) March 5, 2015

The MD-80 went off the runway at around 11.10am local time, said port authority spokesman Joe Pentangelo.

WABC reported that the plane hit a fence, but Mr Pentangelo said he could not confirm that.

Mr Pentangelo said the plane is apparently leaking fuel.

The plane is said to have had 149 people on board the aircraft.

We just crash landed at LGA. I'm terrified. Please... — Jaime Primak (@JaimePrimak) March 5, 2015

We have all been evacuated. Everyone is safe. Thank you for your prayers. God is good. — Jaime Primak (@JaimePrimak) March 5, 2015

The airport is now closed until at least 7pm.

Video appears to show the right wing of the plane sheared off.

Atlanta-based Delta Air Lines said the 125 passengers and five crew members are deplaning on aircraft slides and have been bused to a terminal.

It said authorities are investigating the cause of the crash.

The fire department said emergency responders are still assessing people, but any injuries appear to be minor.

The Port Authority, which operates the airport, issued an alert that read: “Due to an aircraft emergency at LGA, arriving and departing flights may be delayed or canceled. Please contact your carrier for information about your flight.”