Tanzania's Vice-President Emmanuel Nchimbi has been expelled from the ruling party CCm following his controversial resignation announcement earlier this week. The 54-year-old had urged Tanzanians to 'fight for a new constitution,' pointing to a possible fallout with President Samia Suluhu Hassan.

Nchimbi was Samia's running mate in last October's disputed presidential election, which saw hundreds killed in post-poll unrest. He is the first vice-president to step down in Tanzania's history. For related coverage, explore our detailed analysis on Technology and Digital Systems.

Tanzanias Expelled From Details and Timeline

The party did not give details about the indiscipline allegations against Nchimbi, whose resignation takes effect at the end of next week. Energy Minister Deogratius Ndejembi has been nominated as his replacement and will now be presented to parliament for approval.

Nchimbi shared his brief resignation letter on his Instagram account on Tuesday morning, stating he had 'become convinced, without doubt, that the president wants changes'.

Samia and Nchimbi were sworn in last November after winning 98% of the vote. The election was boycotted

Tanzanias Expelled From Next Steps and Impact

The situation has raised concerns about Tanzania's stability and the impact of President Samia Suluhu Hassan's leadership.

Opposition parties have called for a peaceful protest to demand Nchimbi's return as vice-president, while human rights groups have urged restraint and called for an investigation into the allegations against him.

Go to BBCAfrica.com for more news from the African continent.

Read More: Door was locked at Pakistan hospital where fire killed 14 babies, witnesses say

Tanzanian lecturer arrested over anti-government protests charged with terrorism

Go to BBCAfrica.com, external for more news from the African continent.

Emmanuel Nchimbi has been expelled from Tanzania's judicial determination Chama Cha Mapinduzi (CCM) party for indiscipline following his decision earlier this week to resign as the country's vice-president after 10 months in the job.

The 54-year-old has made some controversial remarks in recent weeks - including urging Tanzanians to "fight for a new constitution" - pointing to a possible fallout with President Samia Suluhu Hassan.

He was Samia's running mate in last October's disputed presidential election, which saw hundreds killed in post-poll unrest.

Energy Minister Deogratius Ndejembi, 43, has been nominated as his replacement and his name will now be presented to parliament for approval.

The decisions were taken at an extraordinary meeting of the CCM, chaired The party did not give details about the indiscipline allegations against Nchimbi, whose resignation takes effect at the end of next week.