The sister of Loretta Saunders made a public plea for help in finding the missing university student as she spoke during a news conference in Halifax Friday morning.

“I’d like to make a national plea to see if anyone has seen her car or has any information…toll booths, gas stations, anything,” said 21-year-old Delilah Terriak, who flew to Halifax from British Columbia to search for Saunders.

“Someone had to have seen her or the people who were driving her car.”

Saunders, who is three months pregnant, was last seen Feb. 13 at her apartment in Halifax’s Cowie Hill neighbourhood. The 26-year-old was in contact with a friend on social media last Friday afternoon, but she hasn’t been in contact with friends or family since.

Her family says it is very unusual for her to be out of touch with loved ones.

She was reported missing to police on Monday and investigators are treating her disappearance as suspicious.

Saunders’ car was found in Harrow, Ont., located about 40 minutes outside Windsor, Tuesday evening.

Victoria Henneberry, 28, and her boyfriend Blake Leggette, 25, were arrested by the Ontario Provincial Police without incident after the car was found.

Both are known to police in Halifax and Calgary. They appeared in court in Windsor on Wednesday on outstanding warrants and to face charges of possession of stolen goods and fraud-related charges.

In addition to stealing her car, police say Henneberry and Leggette are also accused of stealing and using Saunders’ debit card on several occasions between the time she was last seen and when her car was found.

CTV News has confirmed that the names of the people arrested match the names of a man and woman to whom Saunders had just rented her apartment in January.

Saunders’ boyfriend says she was living with him at a different location in Halifax and that she met the tenants through Kijiji. He says she was on her way to the apartment to collect overdue rent money when he last saw her.

Terriak said Friday morning that she had never met Henneberry or Leggette.

The accused made a second court appearance in Windsor on Friday and were remanded into custody to give police time to bring them back to Halifax.

Halifax police say they have obtained arrest warrants for Leggette and Henneberry in relation to the stolen vehicle and plan to have them returned to Nova Scotia to face the charges.

“I think the authorities are on their way to get them, so they should be here within the next day or two,” said defence lawyer Maria Carroccia.

Meanwhile, friends of the missing woman are collecting donations to bring Saunders' five brothers and parents to Halifax to join in the search.

“I also have the support of her classmates,” said Terriak Friday morning. “They put together a fundraising website at GoFundMe.com to help get my family here so we can be together and help get her home.”

More than $7,000 has been raised through the website in just one day.

An aspiring lawyer from Newfoundland and Labrador, Saunders has been a student at Saint Mary’s University for the past three years. She is set to graduate in May.

Ironically, she just finished writing a thesis about murdered and missing aboriginal women.

During Friday’s news conference, Terriak described her sister as a strong woman with a “beautiful soul.”

“She is the strongest person I know, that we know. She is so strong and that’s what’s keeping me going through this.”

Friends and volunteers have gathered at the Native Friendship Centre on Gottingen Street in Halifax to make and pass out posters. Saunders’ family hopes to plaster the posters all over Halifax and at highway stops between Nova Scotia and Ontario.

“We need these posters to be printed out and distributed on the highways, toll booths, gas stations, anywhere and everywhere,” says Cheryl Maloney of the Nova Scotia Native Women’s Association.

They hope the posters will jog someone’s memory, and help them figure out what happened to Saunders from the time she was last seen near her apartment in Halifax, until her car turned up in Ontario five days later.

Saunders is described as an Inuk woman with light brown hair. She is five-foot-seven and weighs 120 pounds.

Her car is a blue 2000 Toyota Celica with Newfoundland and Labrador licence plate HCP 543. Police say the car has a loud muffler and a spoiler at the back.

Anyone who may have seen Saunders or her car since last Thursday is asked to contact police.

With files from CTV Atlantic's Kelland Sundahl