A Mexican MP burst into tears and howled with grief during a parliamentary session after receiving a phone call informing her that her daughter had just been murdered.

Carmen Medel Palma, from the National Regeneration Movement (Morena), was told 22-year-old Valeria Cruz Medel had been shot nine times while exercising at the gym.

The 59-year-old let out hysterical screams of sadness after receiving the news while her colleagues tried to console her.

Carmen Medel Palma is seen crying hysterically in parliament after receiving a phone call informing her that her daughter had been murdered

The Morena MP was consoled by her colleagues as she screamed and howled at the news

Her 22-year-old daughter Valeria Cruz Medel (pictured) had been shot nine times while exercising at the gym

The session of parliament was ended and postponed.

Medical student Valeria was gunned down in the city of Ciudad Mendoza in the state of Veracruz after she was confused for a gang member's girlfriend.

The governor of Veracruz, Miguel Angel Yunes, explained that a female of similar physical appearance who goes to the same gym and had been identified as the girlfriend of a member of a criminal gang.

Two men were arrested in connection with the murder and they reportedly told investigators a man known as 'El Richy' had been the gunman.

Medical student Valeria was gunned down after being mistaken for a gang member's girlfriend

The parliamentary session was ended and postponed after Mrs Palma (pictured), 59, received the phone call

The body of a third man, the main suspect, was later found dead in a van, according to reports.

The investigation is ongoing.

The video highlights the wave of violence that has struck Mexico and underlines the tragic cost for those left behind with 21,283 people murdered so far this year in the country - nearly 20 percent more than last year.