The year 2015 witnessed a massive rise in the terrorist activities around the globe. Starting from Boko Haram's deadliest massacre at Baga town in Nigeria killing about 2000 people in January to Paris attack in November, newspapers were flooded with such attacks throughout the year.
As year 2015 comes to an end, we bring you the top terror incidents which grabbed headlines throughout the world.
Baga massacre in Nigeria
According to western media reports about 2000 people were killed in a series of attacks between January 3 and January 7.
A large number of Boko Haram militants captured the town of Baga and took over the Army bases in the town and neighbouring areas.
Charlie Hebdo incident
Cartoonist face wrath of Islamists: 11 people were killed and about same number of persons were injured on 7 January when two brothers, armed with assault rifles opened firing inside the office of the French satirical weekly newspaper Charlie Hebdo in Paris.
The gunmen were later identified to have links with Al-Qaeda's branch in Yemen.
Russian joins 'The War' after its plane downed in Egypt
A Russian airliner with 217 passengers and seven crewmembers on-board crashed near Sinai in Egypt on October 31. The Airbus A-321, owned by Metrojet, was travelling from Sharm el-Sheikh to St Petersburg in Russia and had mostly Russian citizens.
The Russian Security Service (FSB) claimed that traces of explosives were found among the debris. The Islamic State of Iraq and the Levant (ISIL)'s Sinai Branch, also known as Ansar Bait al-Maqdis, claimed responsibility for the incident.
Following the incident, Russia jumped into the war against ISIS in Syria by launching a massive airstrike on the regions held by the terror group.
Paris terror attacks
About 130 people were killed in a series of coordinated attacks in Paris on November 13. Three suicide bombers struck near Stade de France in Saint-Denis followed by suicide bombings and shooting at several other places.
Out of total causalities, about 89 people were killed at Bataclan theatre where attackers took hostages. All the seven attackers were killed in the counter-attack by security forces.
The ISIS took responsibility for the attacks.
No end in sight in Yemen
Some 5,000 people have been killed in the conflict since March, more than half of them civilians, according to the United Nations.
Pro-Hadi forces, aided by a Saudi-led coalition, have battled Iran-backed rebels in Yemen since March, after the insurgents overran the capital Sanaa and advanced south, forcing the government to flee to Saudi Arabia.
Fighting between the Huthi rebels and loyalist forces has plunged the impoverished nation into chaos, which jihadist groups have exploited to make sweeping gains, particularly in southern regions.
ISIS has claimed a string of attacks in Yemen, including the bombing of Hadi`s government headquarters in October and multiple suicide attacks on mosques in Sanaa attended by Shiite worshippers that killed scores.